International Polar Year (IPY)
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| IPY logo (official) | IPY logo (modified IHY logo) | IPY logo (un-official) |
International Polar Year (IPY)
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| IPY logo (official) | IPY logo (modified IHY logo) | IPY logo (un-official) |
Below is a checklist of International Polar Year (IPY) postal items (stamps, souvenir sheets, aerogrammes, postal cards, etc.). Catalog numbers, years of issue, and notes on the items featured are given when available. If readers know of additional information or images, please contact the authors using the e-mail addresses at the bottom of this page.
See also the following related topics:
See also the following Contributors to Meteorology involved with IPY:
| International Polar Year (IPY) |
|---|
| 1st IPY (1882 — 1883) |
| 2nd IPY (1932 — 1933), 50th anniv. 1st IPY |
| 3rd IPY (1957 — 1958), 75th anniv. 1st IPY, 25th anniv. 2nd IPY, better known as International Geophysical Year (IGY) |
| 4th IPY (2007 — 2008), 125th anniv. 1st IPY, 75th anniv. 2nd IPY, 50th anniv. IGY |
| Other non-specific IPY items |
| Country | Catalog Number | Type of Item | Year of Issue | Notes on Content |
|---|---|---|---|---|
| 4th IPY (2007 — 2008) | ||||
| Antarctica | P16 | 3 dollar (banknote) | 2007 | |
| Antigua and Barbuda | 3013 (Mi4587-4589) | In (upper-left) margin of MS6 (3013 (2x (a-c))) | 2008 | (un-official) IPY logo; also IHY |
| Antigua and Barbuda | 3014 (Mi4590-4592) | In (lower-right) margin of MS6 (3014 (2x (a-c))) | ||
| Antigua and Barbuda | 3015 (Mi4593-4594) | In (lower-right) margin of MS4 (3015 (2x (a-b))) | ||
| Antigua and Barbuda | 3016 (Mi4595-4596) | In (lower-right) margin of MS4 (3016 (2x (a-b))) | ||
| Antigua and Barbuda | 3017 (BL654) | In (right) margin of SS1 | ||
| Antigua and Barbuda | 3018 (BL655) | In (right) margin of SS1 | ||
| Argentina | 2441 (BL94) | SS1 (stamp and label) | 2007 | |
| Argentina | 2441 fdc1 | Stamp and label and cachet on FDC | ||
| Argentina | 2441 fdc2 | MS2 and cachet on FDC | ||
| Argentina | 2520 (BL105, Mi3252-3253) | MS2 (2520 (a-b)) | 2009 | Also PPRG |
| Argentina | 2520 fdc | MS2 and cancel and cachet on FDC | ||
| Australia | None | (Red rubber-stamp) cachet on cover | 2007 | |
| Australia | None | (Red rubber-stamp) cachet and (IPY logo) cachet on cover | 2007 | |
| Australia | None | (Purple rubber-stamp) cachet and (IPY logo) cachet on cover | 2007 | |
| Australia | 2424+2500+labels cover (Mi?+labels cover) | (Two IPY logo) labels and cachet on cover | 2007 | |
| Australia | Unknown pc | Stamp and cachet on prepaid prestamped card | 2008 | |
| Australian Antarctic Territory | KM1653 | $1. (aluminum-bronze coin) | 2007 | |
| Australian Antarctic Territory | None | (Red rubber-stamp) cachet on cover | 2007 | |
| Australian Antarctic Territory | None | (IPY logo) cachet on cover | 2007 | |
| Australian Antarctic Territory | None | (IPY logo and cyan rubber-stamp) cachet on cover | 2007 | |
| Australian Antarctic Territory | KM1055 | $5. (silver coin) | 2008 | |
| Australian Antarctic Territory | L140 (Mi173) | From strip of 2 (L141a (L140-L141)), or from MS4 (L143b (2x (L140-L141))) | 2008 | |
| Australian Antarctic Territory | L141 (Mi174) | |||
| Australian Antarctic Territory | L141 maxi | Maxicard, also back | ||
| Australian Antarctic Territory | L142 (Mi175) | From strip of 2 (L143a (L142-L143)), or from MS4 (L143b (2x (L140-L141))) | ||
| Australian Antarctic Territory | L143 (Mi176) | |||
| Australian Antarctic Territory | L140-L143 fdc1 | Four stamps and cachet on FDC, also back | ||
| Australian Antarctic Territory | L140-L143 fdc2 | Four stamps and cachet (different) on FDC | ||
| Australian Antarctic Territory | L143b fdc1 | MS4 on FDC | ||
| Australian Antarctic Territory | L143b fdc2 | MS4 and cachet on FDC | ||
| Australian Antarctic Territory | L140-L143+L143b pack | Souvenir pack with four stamps and MS4, also front | ||
| Australian Antarctic Territory | L143b o/p | MS4 overprinted | ||
| Australian Antarctic Territory | None | (IPY logo) cachet on cover | 2008 | |
| Australian Antarctic Territory | L149a (Mi181-182) | MS2 (L148-L149) | 2009 | Also PPRG |
| Australian Antarctic Territory | L149a fdc1 | MS2 on FDC (Australia Post cachet), also back | ||
| Australian Antarctic Territory | L149a fdc2 | MS2 on FDC (WCS/Wesley cachet) | ||
| Australian Antarctic Territory | L148-L149 fdc | Two stamps on FDC (Australia Post cachet), also back | ||
| Australian Antarctic Territory | L148 maxi | Maxicard, also back | ||
| Australian Antarctic Territory | L149 maxi | Maxicard, also back | ||
| Australian Antarctic Territory | L148-L149+L149a pack | Presentation pack, also back, interior page-1, and interior page-2 | ||
| Australian Antarctic Territory | KM1080 | $5. (silver coin) | 2009 | |
| Australian Antarctic Territory | KM1081 | $5. (silver coin) | IPY logo | |
| Belarus | KM164 | 20 roubles (silver coin) | 2007 | IPY logo |
| Brazil | 3010a (Mi3478) | One of strip of 3 (3010 (a-c)) (Mi3478-3480) | 2007 | IPY logo |
| Brazil | 3010a folder | Folder | ||
| Brazil | 3071 (Mi?) | Pair (3071 (a-b)) | 2009 | Also PPRG |
| Brazil | 3071 fdc | Pair on FDC | ||
| British Antarctic Territory | 378-381 (Mi?) | Four stamps (one each from a MS20) with IPY logo on selvedge | 2007 | IPY logo |
| British Antarctic Territory | 382-385 (Mi?) | Four stamps (one each from a MS20) with IPY logo on selvedge | ||
| British Antarctic Territory | 386 (BL14) | SS1 | ||
| British Antarctic Territory | 386 fdc | SS1 and (multi-color printed) cachet on FDC | ||
| Bulgaria | 4464 (BL?) | MS2 (4464 (a-b + 2 labels)) | 2008 | |
| Bulgaria | 4464 blue | MS2 (blue proof) | ||
| Bulgaria | 4464 brown | MS2 (brown proof) | ||
| Bulgaria | 4464 fdc | MS2 and cancel and cachet on FDC | ||
| Bulgaria | 4464a maxi | Maxicard | ||
| Bulgaria | 4464b maxi | Maxicard | ||
| Bulgaria | None | Postal card | 2008 | |
| Bulgaria | 4502 (BL310) | MS2 (4502 (a-b)) (Mi4889-4890) | 2009 | Also PPRG |
| Bulgaria | 4502 blue | MS2 (blue proof?) | ||
| Bulgaria | 4502 fdc | MS2 and cachet on FDC | ||
| Bulgaria | 4502a maxi | Maxicard | ||
| Bulgaria | 4502b maxi | Maxicard | ||
| Bulgaria | None | (Purple-grey and red and blue printed) cachet on postal card | 2009 | |
| Canada | 2204 (Mi2391) | From MS2 (2205a (2204-2205)), or from MS16 (2205b (8x (2204-2205))) | 2007 | 125th, not "150th anniv., 1st IPY" as in text on the back of this FDC |
| Canada | 2205 (Mi2392) | |||
| Canada | 2205a fdc1 | MS2 on (Canada Post) FDC, also back | ||
| Canada | 2205a fdc2 | Block of 4 on (Canada Post) FDC, also back (same) | ||
| Canada | KM737 | $20. (silver coin) obverse, also reverse | 2007 | IPY logo |
| Chad | Unknown ms (Mi none) Unknown ims | In (lower-right) margin of MS4 (a-d) [known illegal issue] In (lower-right) margin of imperforate MS4 (a-d) | 2011 | IPY logo; also IGY |
| Chad | Unknown ms fdc Unknown ims fdc | MS4 on FDC Imperforate MS4 on FDC | ||
| Chad | Unknown ms (Mi none) Unknown ims | In (lower-right) margin of MS4 (a-d) [known illegal issue] In (lower-right) margin of imperforate MS4 (a-d) | 2017 | IPY logo; also IGY [overprints of Chad 2011 set] |
| Chad | Unknown ms fdc Unknown ims fdc | MS4 on FDC Imperforate MS4 on FDC | ||
| Chile | None | Cachet on cover | 2007 | |
| Chile | None | Cachet (different) on cover | 2007 | |
| Chile | None | Cachet (red) on cover | 2007 | |
| Chile | None | Cachet (IPY logo) on cover (different) | 2007 | |
| Chile | 1495 (Mi2238-2243) | MS6 (1495 (a-f)) | 2008 | |
| Chile | 1495a+c+e fdc | Three stamps and cachet on FDC, also back | ||
| Chile | 1495b+d+f fdc | Three stamps and cachet on FDC, also back (same) | ||
| Chile | 1524 (BL62) | MS2 (1524 (a-b)) | 2009 | Also PPRG |
| China (People's Republic) | None | Cachet (IPY logo) on cover, also back | 2007 | |
| China (People's Republic) | None | Cachet (IPY logo) on cover (different) | 2007 | |
| China (People's Republic) | None | Cachet on cover (different) | 2007 | |
| Comoro Islands | Mi2727-2730_ms4 | MS4 (Mi2727-2730) | 2009 | |
| Comoro Islands | Mi2727-2730_ms4 fdc | MS4 on FDC | ||
| Comoro Islands | BL581 | SS1 | ||
| Comoro Islands | BL581 fdc | SS1 on FDC | ||
| Czech Republic | 3412 (BL35, Mi588) | SS1 | 2009 | Also PPRG |
| Denmark | 1372 (Mi1459) | From MS2 (1373a (1372-1373)) (BL29) | 2007 | |
| Denmark | 1373 (Mi1460) | |||
| Denmark | 1372-1373 fdc | Two stamps and cancel on FDC | ||
| Denmark United States | 1373a fdc 4123 fdc | Two MS2 on dual-country FDC | 2007 | |
| Denmark | KM916 | 10 kroner (silver coin) | 2007 | |
| Denmark | KM917 | 100 kroner (silver coin) | ||
| Denmark | KM918 | 1000 kroner (gold coin) | ||
| Denmark | KM925 | 10 kroner (aluminum-bronze coin) | 2008 | |
| Denmark | KM930 | 100 kroner (silver coin) | ||
| Denmark | KM931 | 1000 kroner (gold coin) | ||
| Denmark | KM932 | 10 kroner (gold coin) | ||
| Ecuador | 1952 (Mi3125) | 2009 | Also PPRG | |
| Ecuador | 1953 (Mi3126) | |||
| Ecuador | 1952-1953 fdc | Two stamps and cachet on FDC, also back | ||
| Estonia | 610 (BL32) | MS2 (610 (a-b)) | 2009 | Also PPRG |
| Estonia | 610 fdc | MS2 on FDC | ||
| Falkland Islands | KM156 | 1 crown (copper-nickel coin) | 2007 | IPY logo |
| Falkland Islands | KM158 | 1 crown (copper-nickel coin) different | ||
| Falkland Islands | 945 (Mi1020) | 2008 | ||
| Falkland Islands | 946 (Mi1021) | |||
| Falkland Islands | 947 (Mi1022) | |||
| Falkland Islands | 948 (Mi1023) | |||
| Falkland Islands | 945-948 fdc | Four stamps and cachet (IPY logo) on FDC | ||
| Finland | 1280a (Mi1835) | From MS2 (1280 (a-b)) (BL42) | 2007 | |
| Finland | 1280b (Mi1836) | |||
| Finland | 1280 fdc | MS2 on FDC | ||
| France | None | (Text) cancel on cover | 2007 | |
| France | KM1473 | 1.5 euro (silver coin) | 2007 | IPY logo; also P.É. Victor |
| France | KM1474 | 10 euro (gold coin) | ||
| France | KM1576 | 1.5 euro (silver coin) | 2008 | IPY logo |
| France | KM1577 obverse | 10 euro (gold coin), also reverse | ||
| France | None | (Pictorial) cancel and (multi-color printed) cachet on cover | 2009 | end of the (4th) IPY |
| French Southern and Antarctic Territories | 386 label (Mi? label) | Label from strip of 2 (386 (a-b + label (IPY logo))), or from MS10 (386c (5x 386 (a-b) + 5 labels)) (Mi621-622) | 2007 | IGY (noted on both stamps) |
| French Southern and Antarctic Territories | None | Cachet on cover | 2007 | |
| French Southern and Antarctic Territories | None | Cachet on cover | 2007 | |
| French Southern and Antarctic Territories | None | Cachet on cover | 2007 | |
| French Southern and Antarctic Territories | None | Cachet on cover (different) | 2007 | |
| French Southern and Antarctic Territories | None | Cachet on cover | 2007 | |
| French Southern and Antarctic Territories | None | (Pictorial) cancel on cover | 2007 | |
| French Southern and Antarctic Territories | None | Cachet on cover | 2007 | "57ième Mission météo; Année polaire internationale" |
| French Southern and Antarctic Territories | None | Phonecard | 2008 | |
| French Southern and Antarctic Territories | None | Cachet on cover | 2012 | IPY (in text) and IPY logo |
| Gambia | 3061 (Mi5744-5749) | In (upper-left) margin of MS6 (3061 (a-f)) | 2007 | (un-official) IPY logo |
| Gambia | 3062 (BL709, Mi5750) | SS1 | ||
| Gambia | 3148 (Mi5955-5957) i3148 | In (upper-right) margin of MS6 (3148 (2x (a-c))) In (upper-right) margin of imperforate MS6 (i3148 (2x (a-c))) | 2008 | (un-official) IPY logo; also IHY |
| Gambia | 3148 fdc | MS6 on FDC | ||
| Gambia | 3149 (Mi5958-5960) i3149 | In (lower-right) margin of MS6 (3149 (2x (a-c))) In (lower-right) margin of imperforate MS6 (i3149 (2x (a-c))) | ||
| Gambia | 3149 fdc | MS6 on FDC | ||
| Gambia | 3150 (Mi5961-5962) i3150 | In (upper-left) margin of MS4 (3150 (2x (a-b))) In (upper-left) margin of imperforate MS4 (i3150 (2x (a-b))) | ||
| Gambia | 3150 fdc i3150 fdc | MS4 on FDC Imperforate MS4 on FDC | ||
| Gambia | 3151 (Mi5963-5964) i3151 | In (upper-left) margin of MS4 (3151 (2x (a-b))) In (upper-left) margin of imperforate MS4 (i3151 (2x (a-b))) | ||
| Gambia | 3151 fdc | MS4 on FDC | ||
| Gambia | 3152 (BL768) i3152 | In (upper-right) margin of SS1 In (upper-right) margin of imperforate SS1 | ||
| Gambia | 3152 fdc i3152 fdc | SS1 on FDC Imperforate SS1 on FDC | ||
| Gambia | 3153 (BL769) i3153 | In (right) margin of SS1 In (right) margin of imperforate SS1 | ||
| Gambia | 3153 fdc i3153 fdc | SS1 on FDC Imperforate SS1 on FDC | ||
| Germany | None | (Sindelfingen pictorial) cancel and cachet on cover | 2007 | |
| Germany | None | (Sindelfingen pictorial) cancel and cachet (different) on postal card | 2007 | |
| Germany | B1001 cover1 (Mi? cover1) | (Multi-color printed) cachet on cover | 2008 | |
| Germany | B1001 cover2 (Mi? cover2) | (Kiel pictorial) cancel and (multi-color printed) cachet on cover | 2008 | |
| Germany | None | (Bremerhaven pictorial) cancel | 2008 | |
| Germany | None | (Multi-color printed) cachet on cover | 2008 | |
| Great Britain | None | (Pictorial) cancel and (IPY logo) cachet on cover | 2007 | |
| Great Britain | None | (Pictorial) cancel and (IPY logo) cachet (different) on cover | 2007 | |
| Greenland | 491 (Mi485) | From MS2 (492a) (BL37) | 2007 | |
| Greenland | 492 (Mi486) | |||
| Greenland | 491-492 fdc | Two stamps and cancel on FDC | ||
| Greenland | 491 maxi | Maxicard | ||
| Greenland | 492 maxi | Maxicard | ||
| Greenland United States | 492a fdc 4123 fdc | Two MS2 and cancel on dual-country FDC | ||
| Greenland | 526a (Mi516) | From MS3 (526 (a-c)) (BL42) | 2008 | Also 50th anniv. IGY |
| Greenland | 526b (Mi517) | |||
| Greenland | 526c (Mi518) | |||
| Greenland | 526 fdc1 | MS3 and cachet on FDC (multi-color printed cachet) | ||
| Greenland | 526 fdc2 | MS3 on FDC (Greenland Post cachet) | ||
| Greenland | 526a-c fdc | Three stamps on FDC (Greenland Post cachet) | ||
| Grenada | 3647 (BL765) | MS6 (3647 (a-f)) | 2007 | (un-official) IPY logo |
| Grenada | 3648 (BL?) | SS1 | ||
| Grenada | 3698 (Mi6105-6110) | In (lower-left) margin of MS6 (3698 (a-f)) | 2009 | (un-official) IPY logo; also IHY |
| Grenada | 3699 (Mi6099-6104) | In (lower-right) margin of MS6 (3699 (a-f)) | ||
| Grenada | 3700 (Mi6115-6118) | In (lower-right) margin of MS4 (3700 (a-d)) | ||
| Grenada | 3701 (Mi6111-6114) | In (lower-left) margin of MS4 (3701 (a-d)) | ||
| Grenada Carriacou | 2684 (Mi4377-4382) | MS6 (2684 (a-f)) | 2007 | (un-official) IPY logo |
| Grenada Carriacou | 2685 (BL624, Mi4383) | SS1 | ||
| Grenada Carriacou | 2707 (Mi4442-4447) | In (upper-right) margin of MS6 (2707 (a-f)) | 2008 | (un-official) IPY logo; also IHY |
| Grenada Carriacou | 2708 (Mi4448-4453) | In (lower-left) margin of MS6 (2708 (a-f)) | ||
| Grenada Carriacou | 2709 (Mi4454-4457) | In (upper-right) margin of MS4 (2709 (a-d)) | ||
| Grenada Carriacou | 2710 (Mi4458-4461) i2710 | In (middle-right) margin of MS4 (2710 (a-d)) In (middle-right) margin of imperforate MS4 (i2710 (a-d)) | ||
| Guinea Republic | Mi4716-4718_ms3 | MS3 (Mi4716-4718) | 2007 | |
| Guinea Republic | Mi4719-4721_ms3 | MS3 (Mi4719-4721) | ||
| Guinea Republic | BL1230 | SS1 (Mi4776) | ||
| Guinea Republic | BL1231 | SS1 (Mi4777) | ||
| Guinea Republic | BL1232 | SS1 (Mi4778) | ||
| Guinea Republic | BL1233 | SS1 (Mi4779) | ||
| Guinea Republic | BL1234 | SS1 (Mi4780) | ||
| Guinea Republic | BL1235 | SS1 (Mi4781) | ||
| Guinea Republic | Mi5079-5081_ms3 | MS3 (Mi5079-5081) | 2007 | |
| Guinea Republic | Mi5079-5081_ms3 fdc | MS3 and (muilti-color printed) cachet on FDC | ||
| Guinea Republic | BL1396 | SS1 (Mi5082) | ||
| Guinea Republic | BL1396 fdc | SS1 on FDC | ||
| Guinea Republic | BL1397 | SS1 (Mi5083) | ||
| Guinea Republic | BL1397 fdc | SS1 on FDC | ||
| Guinea Republic | BL1398 | SS1 (Mi5084) | ||
| Guinea Republic | BL1398 fdc | SS1 on FDC | ||
| Guinea-Bissau | Unknown1 ms (Mi?) | MS4 + 2 labels | 2007 | |
| Guinea-Bissau | Unknown2 ms (Mi?) | MS4 + 2 labels (different) | 2007 | |
| Guinea-Bissau | Unknown3 ms (Mi?) | MS4 + 2 labels (different) | 2007 | |
| Iceland | 1098a (Mi1153) | From MS2 (1098 (a-b)) (BL42) | 2007 | |
| Iceland | 1098b (Mi1154) | |||
| Iceland | 1098 fdc | MS2 on FDC | ||
| Iceland United States | 1098a fdc USA 4123 fdc | Two MS2 on dual-country FDC (Dale Bennett cachet) | ||
| Isle of Man (Great Britain) | 1227 (BL61) | In (upper-left) margin of MS4 (1227 (a-d)) | 2007 | IPY logo |
| Isle of Man (Great Britain) | 1227 fdc | MS4 on FDC | ||
| Italy | None | (Two) cachets on cover | 2008 | |
| Ivory Coast | Unknown ms (Mi none) Unknown ims | On one stamp and in (lower-left) margin of MS4 (a-d) [known illegal issue] On one stamp and in (lower-left) margin of imperforate MS4 (a-d) | 2011 | "Année polaire internationale 2007-2008" and IPY logo; also IGY logo |
| Ivory Coast | Unknown ms fdc Unknown ims fdc | MS4 on FDC Imperforate MS4 on FDC | ||
| Ivory Coast | Unknown ms (Mi none) Unknown ims | In (lower-right) margin of MS4 (a-d) [known illegal issue] In (lower-right) margin of imperforate MS4 (a-d) | 2011 | "Année polaire internationale 2007-2008" and IPY logo; also IGY logo |
| Ivory Coast | Unknown ms fdc Unknown ims fdc | MS4 on FDC Imperforate MS4 on FDC | ||
| Ivory Coast | Unknown ms (Mi none) Unknown ims | In (lower-right) margin of MS4 (a-d) [known illegal issue] In (lower-right) margin of imperforate MS4 (a-d) | 2011 | "Année polaire internationale 2007-2008" and IPY logo; also IGY logo |
| Ivory Coast | Unknown ms fdc Unknown ims fdc | MS4 on FDC Imperforate MS4 on FDC | ||
| Japan | 3125 (Mi4942-4945) | MS4 (3125 (a-d)) | 2009 | Also PPRG |
| Liberia | 2513d (Mi5366-5368) i2513d | In (upper-left) margin of MS6 (2x (2513 (a-c))) Imperforate | 2008 | (un-official) IPY logo; also IHY |
| Liberia | 2514d (Mi5363-5365) i2514d | In (upper-left) margin of MS6 (2x (2514 (a-c))) Imperforate | ||
| Liberia | 2515 (Mi5369-5372) i2515 | In (lower-right) margin of MS4 (2515 (a-d)) Imperforate MS4 (i2515 (a-d)) | ||
| Liberia | 2516 (BL561) i2516 | In (right) margin of SS1 In (right) margin of imperforate SS1 | ||
| Liberia | 2517 (BL560) i2517 | In (lower-right) margin of SS1 In (lower-right) margin of imperforate SS1 | ||
| Liberia | 2518 (BL562) i2518 | In (lower-right) margin of SS1 In (lower-right) margin of imperforate SS1 | ||
| Maldive Islands | 2938 (BL?) | MS6 (2938 (a-f)), with detail (IPY logo) | 2007 | (un-official) IPY logo |
| Maldive Islands | 2939 (BL?) | SS1, with detail (IPY logo) | ||
| Maldive Islands | 2956 (Mi4677-4682) | In (upper-left) margin of MS6 (2956 (a-f)) | 2008 | (un-official) IPY logo; also IHY |
| Maldive Islands | 2957 (Mi4695-4698) | In (upper-right) margin of MS4 (2957 (a-d)) | ||
| Maldive Islands | 2958 (Mi4683-4686) | In (upper-right) margin of MS4 (2958 (a-d)) | ||
| Maldive Islands | 2959 (Mi4687-4690) | In (upper-right) margin of MS4 (2959 (a-d)) | ||
| Maldive Islands | 2959 fdc | MS4 on FDC | ||
| Maldive Islands | 2960 (Mi4691-4694) | In (lower-right) margin of MS4 (2960 (a-d)) | ||
| Micronesia | 748 (Mi1824-1829) | MS6 (748 (a-f)) | 2007 | (un-official) IPY logo |
| Micronesia | 749 (BL170) | SS1 | ||
| Monaco | 2520b (Mi2914) | One of strip of 3 (2520 (a-c)) (Mi2913-2915), or four of MS12 (2520d (4x (2520 (a-c))) | 2008 | IPY logo |
| Montserrat | 1200 (Mi148-1411) | In (lower-right) margin of MS4 (1200 (a-d)) | 2008 | (un-official) IPY logo; also IHY |
| Montserrat | 1200 fdc1 | MS4 on FDC (Plymouth cancel) | ||
| Montserrat | 1200 fdc2 | MS4 on FDC (Brades cancel) | ||
| Montserrat | 1201 (BL123) | In (upper-right) margin of SS1 | ||
| Montserrat | 1201 fdc | SS1 on FDC | ||
| Mozambique | 1901 (Mi3462-3467) | MS6 (a-f) | 2009 | IPY logo (on two stamps, d and f); Weyprecht and von Neumayer - founders of the 1st IPY (on stamp e) |
| Mozambique | 1901 fdc | MS6 and cachet on FDC | ||
| Mozambique | 1929 (BL288) | SS1 | 2009 | IPY logo |
| Mozambique | 1929 fdc | SS1 and cachet on FDC | ||
| Netherlands | 1300+1327 personalized packet (Mi2564+Mi2647 personalized packet) | Back of personalized postage packet (2x (1300_personalized1 + 1300_personalized2 + 1327_personalized_label)), also front; stamps using 1300 border | 2009 | "end of the IPY 2007-2009" and "IPY efforts to draw attention to global warming" |
| Nevis | 1542 (Mi2302-2307) | In (upper-left) margin of MS6 (1542 (a-f)) | 2008 | (un-official) IPY logo; also IHY |
| Nevis | 1542 fdc | MS6 on FDC | ||
| Nevis | 1543 (Mi2296-2301) | In (upper-right) margin of MS6 (1543 (a-f)) | ||
| Nevis | 1544 (Mi2312-2315) | In (lower-right) margin of MS4 (1544 (a-d)) | ||
| Nevis | 1544 fdc | MS4 on FDC | ||
| Nevis | 1545 (Mi2308-2311) | In (lower-right) margin of MS4 (1545 (a-d)) | ||
| Nevis | 1545 fdc | MS4 on FDC | ||
| New Zealand | None | Personalized postage | 2007 | IPY logo |
| New Zealand | None cover | Three personalized postage stamps and cachet on cover | ||
| New Zealand | None | Personalized postage (different) | "International Polar Year (IPY)" | |
| New Zealand | KM296 | $1. (gold coin) | 2007 | IPY logo |
| New Zealand | KM297 | $1. (silver coin) | ||
| New Zealand | KM320 | $1. (gold coin) | 2007 | |
| New Zealand | 2238 (BL241) | MS2 (2238 (a-b)), also initial design | 2009 | Also PPRG |
| New Zealand | 2238 fdc | MS2 and cancel and cachet on FDC, also back | ||
| Norway | 1500a (Mi1604) | From MS2 (1500 (a-b)) (BL34) | 2007 | |
| Norway | 1500b (Mi1605) | |||
| Norway | 1500 fdc | MS2 on FDC | ||
| Norway | 1500 folder | FDC folder with MS2 (1500 (a-b)) and coins (not clear if the coins are IPY related) | ||
| Palau | 941 (Mi2779-2784) | In (upper-left) margin of MS6 (941 (a-f)) | 2008 | (un-official) IPY logo; also IHY |
| Palau | 942 (Mi2773-2778) i942 | In (upper-right) margin of MS6 (942 (a-f)) In (upper-right) margin of imperforate MS6 (i942 (a-f)) | ||
| Palau | 943 (Mi2785-2788) | In (upper-left) margin of MS4 (943 (a-d)) | ||
| Palau | 943 fdc | MS4 on FDC | ||
| Palau | 944 (Mi2789-2792) | In (upper-right) margin of MS4 (944 (a-d)) | ||
| Peru | 1667c (Mi?) | One of MS4 (1667 (a-d)) (BL57) | 2009 | Also PPRG |
| Peru | 1667 fdc | MS4 on FDC | ||
| Portugal | 3016 (Mi3308) | 2008 | ||
| Portugal | 3016 maxi | Maxicard | ||
| Portugal | 3017 (Mi3309) | |||
| Portugal | 3017 maxi1 | Maxicard (including cancel) | ||
| Portugal | 3017 maxi2 | Maxicard (including cancel, different card) | ||
| Portugal | 3018 (Mi3310) | |||
| Portugal | 3018 maxi1 | Maxicard (including cancel) | ||
| Portugal | 3018 maxi2 | Maxicard (different) | ||
| Portugal | 3019 (Mi3311) | |||
| Portugal | 3019 maxi1 | Maxicard (including cancel) | ||
| Portugal | 3019 maxi2 | Maxicard (different) | ||
| Portugal | 3016-3019 fdc | Four stamps and cancel and cachet on FDC, also back | ||
| Portugal | 3020 (BL259, Mi3312) | SS1 | ||
| Portugal | 3020 fdc | SS1 and cancel and cachet on FDC | ||
| Romania | None | (Posta Romana) cachet on stamped envelope | 2007 | |
| Romania | None | (Posta Romana) cachet on stamped envelope (different) | 2007 | |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2007 | |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2007 | |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2007 | |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2007 | |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2007 | |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2007 | |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2007 | |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2007 | |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2007 | |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2007 | |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2007 | |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2007 | |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2007 | |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2007 | |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2007 | |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2007 | |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2007 | |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2007 | |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2007 | |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2007 | |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2007 | |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2007 | |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2007 | also Karl Weyprecht (the "father" of the IPY) and IPY Symposium |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2007 | |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2007 | |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard (different) | 2007 | |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2007 | |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2007 | |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2007 | |
| Romania | None | (Pictorial) cancel and (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2007 | |
| Romania | None | (Pictorial) cancel on postcard | 2007 | |
| Romania | None | (Pictorial) cancel on postcard (different) | 2007 | |
| Romania | None | (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard | 2008 | |
| Romania | None | (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard (different) | 2008 | |
| Romania | None | (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard (different) | 2008 | |
| Romania | None | (Cercul Filatelic Turda - Polar Section) cachet (IPY logo) on postcard (different) | 2008 | |
| Romania | 5094 (Mi6348) | From tête-bêche pair (5094a (2x 5094), or from MS9 (5094c (9x 5094)) | 2009 | Also PPRG |
| Romania | 5095 (Mi6349) | From tête-bêche pair (5095a (2x 5095), or from MS9 (5095c (9x 5095)) | ||
| Romania | 5094-5095 fdc | Two stamps and cancel and cachet on FDC | ||
| Romania | 5095b (BL444) | MS2 (5094-5095) (Mi6348-6349) | ||
| Romania | 5095b special (BL?) | Special MS2 (5094-5095), with holographic logo and red serial number | ||
| Ross Dependency (NZ) | L103a (BL2) | In (left) margin of MS2 (L102-L103) | 2007 | IPY logo |
| Russia | Y1080 | 3 roubles (silver coin) | 2007 | |
| Russia | Y1081 | 100 roubles (silver coin) | ||
| Russia | Y1082 | 1000 roubles (gold coin) | ||
| Russia | 7021 (BL98, Mi1400-1402) | MS3 (7021 (a-c)) | 2007 | |
| Russia | 7021 fdc | MS3 and cancel and cachet on FDC | ||
| Russia | 7021a maxi | Maxicard of stamp 'a' | ||
| Russia | 7021b maxi | Maxicard of stamp 'b' | ||
| Russia | 7021c maxi | Maxicard of stamp 'c' | ||
| Russia | 7021a-c cover (Mi1400-1402 cover) | Strip of three and cachet (IPY logo) on cover | 2007 | |
| Russia | 7021 cover (BL98, Mi1400-1402 cover) | MS3 and cachet on cover | ||
| Russia | None | Cachet (IPY logo) on cover | 2007 | |
| Russia | None | Cachet (IPY logo) on cover (different) | 2007 | |
| Russia | None | (Purple rubber-stamp) cachet (IPY logo) on cover (different) | 2007 | |
| Russia | None | (Pictorial) cancel and cachet on cover | 2007 | |
| Russia | None | (Pictorial) cancel and cachet (different) on cover | 2007 | |
| Russia | None | (Pictorial) cancel and cachet (slightly different) on cover | 2007 | |
| Russia | None | Cachet (with blue, red and black IPY logo) on cover, also purple IPY logo on back | 2007 | |
| Russia | None | (Round blue and white) cachet (IPY logo) on cover | 2007 | |
| Russia | None | IPY logo on cover | 2007 | |
| Russia | 6573 cover (Mi? cover) | (Small blue circular rubber-stamp) cachet on cover | 2007 | |
| Russia | 6799 cover (Mi? cover) | (round black printed) cachet on cover | 2007 | |
| Russia | None | (Pictorial) cancel on (1977) stamped envelope | 2007 | |
| Russia | None | (Red rubber-stamp) cachet on cover | 2007 | "2007 International Polar Year" (in Russian text at bottom of cachet); 75th anniv. 2nd IPY |
| Russia | 7081 (BL114) | MS3 (7081 (a-c)) (Mi1479-1481) | 2008 | |
| Russia | 7081 fdc | MS3 and cancel and cachet on FDC | ||
| Russia | 7081a maxi | Maxicard of stamp 'a' | ||
| Russia | 7081b maxi | Maxicard of stamp 'b' | ||
| Russia | 7081c maxi | Maxicard of stamp 'c' | ||
| Russia | None | (Multi-color printed) cachet on stamped envelope | 2008 | |
| Russia | None | (Multi-color printed) cachet (different) on stamped envelope | 2008 | Conference: Perspectives on Polar Research in the IPY (St. Petersburg, 2008) |
| Russia | None | (Pictorial) cancel on stamped envelope | 2008 | |
| Russia | None | Cachet (including IPY logo) on cover | 2008 | |
| Russia | None | Cachet (IPY logo) on cover | 2008 | |
| Russia | None | (Multi-color printed) cachet on stamped envelope | 2011 | Conference: Perspectives on Polar Research in the IPY (St. Petersburg, 2008) |
| San Marino | 1768 (Mi2358) | 2008 | ||
| San Marino | 1769 (Mi2359) | |||
| San Marino | 1769 fdc1 | Stamp and (pictorial) cancel and (multi-color printed) cachet on FDC | ||
| San Marino | 1769 fdc2 | Stamp and (pictorial) cancel and (multi-color printed) cachet (different) on FDC | ||
| San Marino | 1770 (Mi2360) | |||
| San Marino | 1768+1770 fdc | Two stamps and (pictorial) cancel and (multi-color printed) cachet on FDC | ||
| San Marino | 1768-1770 fdc | Three stamps and (pictorial) cancel on FDC | ||
| Serbia | 374 (Mi174) | 2007 | ||
| Serbia | 374 fdc1 | Stamp and cancel and cachet on FDC | ||
| Serbia | 374 fdc2 | Stamp and cancel on FDC | ||
| Sierra Leone | 2923 (Mi5106-5109) | In (upper-left) margin of MS4 (2923 (a-d)) | 2008 | (un-official) IPY logo |
| Sierra Leone | 2924 (BL635, Mi5110) | In (lower-right) margin of SS1 | ||
| Sierra Leone | 2930 (Mi5116-5121) i2930 | In (lower-right) margin of MS6 (2930 (a-f)) In (lower-right) margin of imperforate MS6 (i2930 (a-f)) | 2009 | (un-official) IPY logo; also IHY |
| Sierra Leone | 2930 fdc | MS6 on FDC | ||
| Sierra Leone | 2931 (Mi5122-5127) | In (lower-right) margin of MS6 | ||
| Sierra Leone | 2932 (Mi5132-5135) | In (lower-right) margin of MS4 | ||
| Sierra Leone | 2932 fdc | MS4 on FDC | ||
| Sierra Leone | 2933 (Mi5128-5131) | In (lower-right) margin of MS4 | ||
| South Africa | 1374 (BL?) | MS6 (1374 (a-f)) | 2007 | Also IHY |
| South Africa | 1374a-f fdc | Six stamps from MS6 (minus margin) and (pictorial) cancel and cachet on FDC | ||
| South Africa | 1392 (BL120) | MS2 (1392 (a-b)) (Mi1840-1841) | 2009 | Also PPRG |
| South Africa | 1392 fdc | MS2 on FDC | ||
| South Georgia and the South Sandwich Islands | KM33 | 2 pounds (copper-nickel coin) | 2007 | IPY logo |
| South Georgia and the South Sandwich Islands | KM34 | 2 pounds (copper-nickel coin) different | ||
| South Georgia and the South Sandwich Islands | 359 (Mi446) | 2008 | ||
| South Georgia and the South Sandwich Islands | 360 (Mi447) | |||
| South Georgia and the South Sandwich Islands | 361 (Mi448) | |||
| South Georgia and the South Sandwich Islands | 362 (Mi449) | |||
| South Georgia and the South Sandwich Islands | 359-362 fdc | Four stamps and cancel and cachet on FDC | ||
| Spain | 3546 (Mi4292) | 2008 | ||
| Spain | 3546 fdc | Stamp and (pictorial) cancel and (Spanish Post/S.F.C.- 2008) cachet on FDC | ||
| St. Thomas and Prince Islands | Unknown ms (Mi?) | In (right) margin of MS9 | 2006 | IPY logo |
| St. Thomas and Prince Islands | Unknown ms fdc | MS9 on FDC | ||
| St. Thomas and Prince Islands | Unknown ims fdc1 | Imperforate MS9 on FDC | ||
| St. Thomas and Prince Islands | Unknown ims fdc2 | Imperforate MS9 on FDC (different) | ||
| St. Thomas and Prince Islands | Unknown fdc | (Multi-color printed) cachet on FDC | ||
| St. Thomas and Prince Islands | Unknown 3stamps fdc | (Multi-color printed) cachet on FDC (blue pictorial cancel) | 2006 | IPY logo |
| St. Thomas and Prince Islands | Unknown i3stamps fdc | (Multi-color printed) cachet on FDC (red pictorial cancel) | ||
| St. Thomas and Prince Islands | 1682 (Mi2980-2983) | MS4 (1682 (a-d)) | 2007 | |
| St. Vincent | 3640 (Mi6563-6568) | In (upper-left) margin of MS6 (3640 (a-f)) | 2008 | (un-official) IPY logo; also IHY |
| St. Vincent | 3640 fdc | MS6 on FDC | ||
| St. Vincent | 3641 (Mi6575-6580) i3641 | In (upper-right) margin of MS6 (3641 (a-f)) In (upper-right) margin of imperforate MS6 (i3641 (a-f)) | ||
| St. Vincent | 3642 (Mi6569-6574) | In (upper-right) margin of MS6 (3642 (a-f)) | ||
| St. Vincent | 3642 fdc | MS6 on FDC | ||
| St. Vincent | 3643 (Mi6585-6588) | In (upper-left) margin of MS4 (3643 (a-d)) | ||
| St. Vincent | 3643 fdc | MS4 on FDC | ||
| St. Vincent | 3644 (Mi6589-6592) i3644 | Logos missing from this MS4 (3644 (a-f)) Logos missing from this imperforate MS4 (i3644 (a-f)) | ||
| St. Vincent | 3645 (Mi6581-6584) | In (upper-right) margin of MS4 (3645 (a-d)) | ||
| Sweden | 2552a (Mi2569) | From MS2 (2552 (a-b)) (BL23) | 2007 | |
| Sweden | 2552b (Mi2570) | |||
| Sweden | 2552 fdc1 | MS2 and (Swedish Post) cachet on FDC | ||
| Sweden | 2552 fdc2 | MS2 and (Swedish Post) cachet (and signature) on FDC | ||
| Tanzania | 2536c (Mi4628-4629) i2536c | In (upper-right) margin of MS4 (2536c (2x (2536 (a-b))) In (upper-right) margin of imperforate MS4 (i2536c (2x (i2536 (a-b))) | 2009 | (un-official) IPY logo; also IHY |
| Tanzania | 2536c fdc i2536c fdc | MS4 on FDC Imperforate MS4 on FDC | ||
| Tanzania | 2537 (Mi4606-4611) | In (upper-right) margin of MS6 (2537 (a-f)) | ||
| Tanzania | 2537 fdc | MS6 on FDC | ||
| Tanzania | 2538 (Mi4612-4615) | In (upper-right) margin of MS4 (2538 (a-d)) | ||
| Tanzania | 2539 (Mi4616-4619) | In (lower-right) margin of MS4 (2539 (a-d)) | ||
| Tanzania | 2540 (Mi4620-4623) | In (upper-right) margin of MS4 (2540 (a-d)) | ||
| Tanzania | 2541 (Mi4624-4627) | In (top-center) margin of MS4 (2541 (a-d)) | ||
| Tanzania | 2542 (BL622) i2542 | In (lower-right) margin of SS1 In (lower-right) margin of imperforate SS1 | ||
| Tanzania | 2542 fdc i2542 fdc | SS1 on FDC Imperforate SS1 on FDC | ||
| Tanzania | 2543 (BL623) | In (lower-right) margin of SS1 | ||
| Turks and Caicos Islands | 1490 (Mi1877-1880) | In (upper-right) margin of MS4 (1490 (a-d)) | 2008 | (un-official) IPY logo; also IHY |
| Turks and Caicos Islands | 1491 (BL237) | In (lower-right) margin of SS1 | ||
| Tuvalu | 1072 (Mi1454-1459) | In (upper-left) margin of MS6 (1072 (a-f)) | 2008 | (un-official) IPY logo; also IHY |
| Tuvalu | 1073 (BL?) | In (upper-right) margin of MS4 (1073 (a-d)) | ||
| Tuvalu | 1073 fdc | MS4 on FDC | ||
| Tuvalu | 1074 (Mi1464-1467) | In (lower-right) margin of MS4 (1074 (a-d)) | ||
| Tuvalu | 1075 (Mi1460-1463) | In (upper-left) margin of MS4 (1075 (a-d)) | ||
| Tuvalu | 1076 (Mi1468-1471) | In (upper-right) margin of MS4 (1076 (a-d)) | ||
| Tuvalu | 1076 fdc | MS4 on FDC | ||
| Ukraine | 763c label (Mi? label) | Label from MS8 (763c (4x (763 (a-b)) + label)) | 2009 | Also PPRG |
| Ukraine | 763 fdc (Mi1027-1028 fdc) | Two stamps and cachet on FDC | ||
| Ukraine | None | Cachet (and logo) on stamped envelope | 2009 | |
| Union Island (St. Vincent) | Mi454A-459A_ms6 Mi454B-459B_ms6 | In (lower-right) margin of MS6 (Mi454A-459A) In (lower-right) margin of imperforate MS6 (Mi454B-459B) | 2008/2009 | (un-official) IPY logo; also IHY |
| Union Island (St. Vincent) | Mi454A-459A_ms6 fdc | MS6 on FDC | ||
| Union Island (St. Vincent) | Mi460A-465A_ms6 Mi460B-465B_ms6 | In (upper-left) margin of MS6 (Mi460A-465A) In (upper-left) margin of imperforate MS6 (Mi460B-465B) | ||
| Union Island (St. Vincent) | Mi466A-469A_ms4 Mi466B-469B_ms4 | In (upper-right) margin of MS4 (Mi466A-469A) In (upper-right) margin of imperforate MS4 (Mi466B-469B) | ||
| United States | 4123a (Mi4196) | From MS2 (4123 (a-b)) (BL62) | 2007 | |
| United States | 4123b (Mi4197) | |||
| United States | 4123a fdc1 | Stamp and (?) cachet on FDC | ||
| United States | 4123a fdc2 | Stamp and (?) cachet on FDC | ||
| United States | 4123a fdc3 | Stamp and (?) cachet on FDC | ||
| United States | 4123a fdc4 | Stamp and (?) cachet on FDC | ||
| United States | 4123a fdc5 | Stamp and (?) cachet on FDC | ||
| United States | 4123a fdc6 | Stamp and (?) cachet on FDC | ||
| United States | 4123a fdc7 | Stamp and (?) cachet on FDC | ||
| United States | 4123a fdc8 | Stamp and (?) cachet on FDC | ||
| United States | 4123a fdc9 | Stamp and (?) cachet on FDC | ||
| United States | 4123a fdc10 | Stamp and (?) cachet on FDC | ||
| United States | 4123a fdc11 | Stamp and (?) cachet on FDC | ||
| United States | 4123a fdc12 | Stamp and (Colorano silk) cachet on FDC | ||
| United States | 4123a fdc13 | Stamp and (?) cachet on FDC | ||
| United States | 4123a fdc14 | Stamp and (?) cachet on FDC | ||
| United States | 4123a fdc15 | Stamp and (?) cachet on FDC | ||
| United States | 4123a fdc16 | Stamp and (?) cachet on FDC | ||
| United States | 4123a fdc17 | Stamp and (AALL) cachet on FDC | ||
| United States | 4123a fdc18 | Stamp and (Glen Cachet) cachet on FDC | ||
| United States | 4123a fdc19 | Stamp and (BGC) cachet on FDC | ||
| United States | 4123a fdc20 | Stamp and (McIntosh Cachets) cachet on FDC | ||
| United States | 4123a fdc21 | Stamp and (Collins hand-painted) cachet on FDC | ||
| United States | 4123b fdc1 | Stamp and (?) cachet on FDC | ||
| United States | 4123b fdc2 | Stamp and (?) cachet on FDC | ||
| United States | 4123b fdc3 | Stamp and (?) cachet on FDC | ||
| United States | 4123b fdc4 | Stamp and (?) cachet on FDC | ||
| United States | 4123b fdc5 | Stamp and (?) cachet on FDC | ||
| United States | 4123b fdc6 | Stamp and (?) cachet on FDC | ||
| United States | 4123b fdc7 | Stamp and (?) cachet on FDC | ||
| United States | 4123b fdc8 | Stamp and (?) cachet on FDC | ||
| United States | 4123b fdc9 | Stamp and (Colorano silk) cachet on FDC | ||
| United States | 4123b fdc10 | Stamp and (multi-color printed) cachet on FDC | ||
| United States | 4123b fdc11 | Stamp and (?) cachet on FDC | ||
| United States | 4123b fdc12 | Stamp and (?) cachet on FDC | ||
| United States | 4123b fdc13 | Stamp and (AALL) cachet on FDC | ||
| United States | 4123b fdc14 | Stamp and (?) cachet on FDC | ||
| United States | 4123b fdc15 | Stamp and (McIntosh Cachets) cachet on FDC | ||
| United States | 4123b fdc16 | Stamp and (? Cachets) cachet on FDC | ||
| United States | 4123b fdc17 | Stamp on FDC (Heritage cachet) | ||
| United States | 4123a-b fdc1 | Two stamps and (?) cachet on FDC | ||
| United States | 4123a-b fdc2 | Two stamps and (?) cachet on FDC | ||
| United States | 4123a-b fdc3 | Two stamps and (WII) cachet on FDC | ||
| United States | 4123a-b fdc4 | Two stamps and (WII) cachet (different) on FDC | ||
| United States | 4123a-b fdc5 | Two stamps and (C-Cubed Cachets) cachet on FDC | ||
| United States | 4123 fdc1 | MS2 on FDC | ||
| United States | 4123 fdc2 | MS2 and (multi-color printed) cachet on FDC | ||
| United States | 4123 fdc3 | MS2 and (?) cachet on FDC | ||
| United States | 4123 fdc4 | MS2 and (?) cachet on FDC | ||
| United States | 4123 fdc5 | MS2 and (?) cachet on FDC | ||
| United States | 4123 fdc6 | MS2 and (Colorano silk) cachet on FDC | ||
| United States | 4123 fdc7 | MS2 and (McIntosh Cachets) cachet on FDC | ||
| United States | 4123 fdc8 | MS2 and (AALL) cachet on FDC | ||
| United States | 4123 fdc9 | MS2 and (? Cachets) cachet on FDC | ||
| United States | 4123 fdc10 | MS2 and (BGC) cachet on FDC | ||
| United States | 4123 fdc11 | MS2 and (ArtCraft) cachet on FDC | ||
| United States | 4123 folder | FDC folder, also inside | ||
| United States | 4123 cp1 | (Hoffmann) commemorative panel (4123) | ||
| United States | 4123 cp2 | (Hoffmann) commemorative panel (4123), canceled | ||
| United States | SP1633 | (USPS) souvenir page (4123) | ||
| United States | CP783 | (USPS no.785) commemorative panel (4123) | ||
| United States | 4123a-b fdc 1107 fdc | Two stamps and (multi-color printed) cachet on dual-cancel FDC | 2007 1958 | IPY and IGY logos |
| United States Denmark | 4123 fdc 1373a fdc | Two MS2 on dual-country FDC | 2007 | |
| United States Greenland | 4123 fdc 492a fdc | Two MS2 on dual-country FDC | ||
| United States Iceland | 4123 fdc Iceland 1098a fdc | Two MS2 on dual-country FDC (Dale Bennett cachet) | ||
| United States | 4123 cover (BL62 cover) | Cancel (from South Pole station) on cover | 2007 | |
| United States | None | (Pictorial) cancel | 2007 | |
| United States | None | (Pictorial) cancel and (IPY logo) cachet on cover | 2007 | |
| United States | None | Cancel (different) and (IPY logo) cachet on cover | 2007 | |
| United States | None | Cancel and cachet (different) and (IPY logo) cachet on cover | 2007 | |
| United States | None | Cancel and cachet (different) on cover | 2007 | |
| United States | None | Cancel and cachet (different) on cover | 2007 | |
| United States | None | (Red pictorial) cancel and (black rubber-stamp) cachet on cover, also back | 2007 | |
| United States | None | (Black pictorial) cancel and cachet (multi-color) on cover | 2007 | |
| United States | None | (Mission 57) cachet on cover, also back | 2007 | |
| United States | None | Cachet (IPY logo) on cover (different) | 2007 | |
| United States | None | Cachets (including IPY logo) on cover (different) | 2007 | |
| United States | None | (Red pictorial) cancel and (IPY logo) cachet on cover | 2007 | |
| United States | None | (Black pictorial) cancel on cover | 2007 | |
| United States | None | (Mission 57) cachet on IGY cover back, also front | 2007 | "the fourth International Polar Year [began] on March 1, 2007, and continue[d] until March 1, 2009" |
| United States | 4203 (Mi4315) 4203+back | From pair (4204a (4203-4204)), or from MS20 (4204b (10x (4203-4204))), also back | 2007 | IPY (in text on back of stamp); also IPY logo (in the cachet of FDC8), and "International Polar Year" (in the text of several of the FDC cachets) |
| United States | 4204 (Mi4316) 4204+back | |||
| United States | 4203 fdc1 | Stamp on FDC (blank/no cachet) | ||
| United States | 4203 fdc2 | Stamp on FDC (black rubber-stamp cachet) | ||
| United States | 4203 fdc3 | Stamp and (Mission 57) cachet on FDC, also back | ||
| United States | 4203 fdc4 | Stamp on FDC (Fleetwood cachet), also back | ||
| United States | 4203 fdc5 | Stamp on FDC (PCS golden-replica cachet), also insert | ||
| United States | 4203 fdc6 | Stamp and (?) cachet on FDC | ||
| United States | 4203 fdc7 | Stamp and (?) cachet on FDC | ||
| United States | 4203 fdc8 | Stamp and (?) cachet on FDC | ||
| United States | 4203 fdc9 | Stamp and (ArtCraft) cachet on FDC | ||
| United States | 4204 fdc1 | Stamp on FDC (blank/no cachet) | ||
| United States | 4204 fdc2 | Stamp and (Mission 57) cachet on FDC, also back | ||
| United States | 4204 fdc3 | Stamp on FDC (PCS cachet) | ||
| United States | 4204 fdc4 | Stamp on FDC (Fleetwood cachet), also back | ||
| United States | 4204 fdc5 | Stamp and (?) cachet on FDC | ||
| United States | 4204 fdc6 | Stamp and (ArtCraft) cachet on FDC | ||
| United States | 4204 fdc7 | Stamp and (?) cachet on FDC | ||
| United States | 4204 fdc8 | Stamp and (?) cachet on FDC | ||
| United States | 4203-4204 fdc1 | Two stamps on FDC (TC cachet) | (As above for stamps); also extra IPY personalized postage | |
| United States | 4203-4204 fdc2 | Two stamps and (Pugh Cachets) cachet on FDC | (As above for stamps); "International Polar Year" | |
| United States | 4203-4204 fdc3 | Two stamps and (?) cachet on FDC | ||
| United States | 4203-4204 fdc4 | Two stamps and (Barry) cachet on FDC | ||
| United States | SP1665 | (USPS) souvenir page (4203-4204) | ||
| United States | CP802 | (USPS no.802) commemorative panel (4204a) | ||
| United States | 4204 cover1 (Mi4316 cover1) | Stamp on (partial) cover | 2007 | |
| United States | 4204 cover2 (Mi4316 cover2) | Stamp and cancel on cover | "International Polar Year" | |
| United States | None | (Stamps.com) personalized postage | 2007 | IPY logo |
| United States | None | (Stamps.com) personalized postage (different) and cancel and cachet on cover | 2007 | IPY logo |
| United States | None | (Stamps.com) personalized postage (different) and cancel and cachet on cover | 2007 | IPY logo |
| United States | None | (Yourstamps) personalized postage | 2007 | IPY logo |
| United States | None | (Yourstamps) personalized postage (different value) | ||
| United States | None | (Yourstamps) personalized postage | "International Polar Year (IPY)" | |
| United States | None | (Yourstamps) personalized postage (different value) | ||
| United States | None | (Yourstamps) personalized postage | ||
| United States | None | (Yourstamps) personalized postage (different value) | ||
| United States | None | (Yourstamps) personalized postage | ||
| United States | None | (Yourstamps) personalized postage (different value) | ||
| United States | None | Cachet on postcard | 2007 | IPY logo |
| United States | None | (Black and red rubber-stamp) cachet on cover | 2008 | |
| Uruguay | 2243 (BL100) | MS2 (2243 (a-b)) (Mi3038-3039) | 2008 | |
| Uruguay | 2243 fdc | MS2 and (pictorial) cancel on FDC | ||
| 3rd IPY (1957 — 1958), better known as International Geophysical Year (IGY) | ||||
| French Southern and Antarctic Territories | 386a (Mi621) | One of strip of 2 (386 (a-b + label (IPY logo))), or five of MS10 (386c (5x 386 (a-b) + 5 labels)) | 2007 | 50th anniv. IPY (IGY) historical research toward new frontiers |
| Guinea Republic | BL1396 | SS1 (Mi5082) | 2007 | "Années polaires internationales précédentes: 1882-1883, 1932-1933, 1956-1957, et la dernière en cours, 2007-2009)" |
| Guinea Republic | BL1396 fdc | SS1 on FDC | ||
| United States | None | (Stamps.com) personalized postage and cachet on cover | 2007 | 3rd IPY/IGY logo, and 50th anniv. 3rd IPY/IGY |
| United States | None | (Mission 57) cachet on IGY cover back, also front | 2007 | "In 1950 scientists Lloyd Berkner, James Van Allen, and Sidney Chapman proposed to the world's scientific community that a third International Polar Year take place" |
| 2nd IPY (1932 — 1933) | ||||
| French Southern and Antarctic Territories | C75 (Mi179) | One of strip of 3 (C75a (C73-C75)) (Mi177-179), or five of MS15 (C75b (5x (C73-C75))) | 1983 | 50th anniv. 2nd IPY |
| French Southern and Antarctic Territories | C75 ds | Deluxe sheet (C75) | ||
| French Southern and Antarctic Territories | C75a fdc | One of strip of 3 on FDC | ||
| Germany (East) | None | (Pictorial) cancel and (red and black printed) cachet on cover | 1983 | 50th anniv. 2nd IPY |
| Germany (East) | None | Cancel and cachet (different) on cover | 1983 | 50th anniv. 2nd IPY |
| Germany (West) | None | (Black rubber-stamp) cachet on cover | 1983 | 50th anniv. 2nd IPY |
| Greenland | None | Cachet on cover | 1982 | 50th anniv. 2nd IPY |
| Greenland | 526b (Mi517) | One of MS3 (526 (a-c)) (BL42) | 2008 | 75th anniv. 2nd IPY 75th anniv. French 2nd IPY station in Ittoqqortoormiit (Scoresbysund) |
| Greenland | 526 fdc | MS3 on FDC (multi-color printed cachet) | ||
| Greenland | 526a-c fdc | One of three stamps on FDC | ||
| Guinea Republic | BL1397 | SS1 (Mi5083) | 2007 | "l'Année polaire de 1932-1933" |
| Guinea Republic | BL1397 fdc | SS1 on FDC | ||
| Guinea Republic | BL1396 | SS1 (Mi5082) | "Années polaires internationales précédentes: 1882-1883, 1932-1933, 1956-1957, et la dernière en cours, 2007-2009)" | |
| Guinea Republic | BL1396 fdc | SS1 on FDC | ||
| Poland | 2541 (Mi2832) | From MS20 (2541a (20x 2541)) | 1982 | 50th anniv. 2nd IPY |
| Russia (USSR) | C34 (Mi410) | 1932 | "2nd International Polar Year 1932-33" (in Russian and French) | |
| Russia (USSR) | C35 (Mi411) | |||
| Russia (USSR) | C35_var | Yellow-green variety | ||
| Russia (USSR) | C34 cover (Mi410 cover) | Stamp and (red printed and red triangular rubber-stamp) cachet on cover | 1932 | "2nd polar year, 1932/33" (in German, French, and English in the printed cachet); also "Second International Polar Year 1932-33" (in Russian in the triangular rubber-stamp cachet) |
| Russia (USSR) | None | (Multi-color printed) cachet on stamped envelope | 1981 | 50th anniv. 2nd IPY |
| Russia | None | (Round purple) cachet on cover | 2007 | 75th anniv. 2nd IPY (in round purple cachet) |
| Russia | None | (Red rubber-stamp) cachet on cover | 2007 | 75th anniv. 2nd International Polar Year (1932 - 2007) |
| South Georgia and the South Sandwich Islands | 360 (Mi447) | 2008 | (75th anniv.) 2nd IPY | |
| South Georgia and the South Sandwich Islands | 359-362 fdc | One of four stamps and cachet on FDC | ||
| United States | 1107 sc/fdc (Mi727 sc/fdc) | FDC with (Fleetwood) cachet on (PCS) souvenir card | 1958 | "Two previous International Geophysical Years, also called International Polar Years, were held in 1882-3 and 1932-3" |
| United States | None | Cachet on cover | 2007 | (75th anniv.) 2nd IPY |
| United States | None | Cachet on cover (different) | 2007 | (75th anniv.) 2nd IPY |
| United States | None | (Mission 57) cachet on IGY cover back, also front | 2007 | "In 1932-33, the second International Polar Year had 44 nations engaged in geophysical research" |
| 1st IPY (1882 — 1883) | ||||
| French Southern and Antarctic Territories | C74 (Mi178) | One of strip of 3 (C75a (C73-C75)) (Mi177-179), or five of MS15 (C75b (5x (C73-C75))) | 1983 | 100th anniv. 1st IPY |
| French Southern and Antarctic Territories | C74 ds | Deluxe sheet (C75) | ||
| French Southern and Antarctic Territories | C75a fdc | One of strip of 3 on FDC | ||
| Germany (East) | None | (Pictorial) cancel and (purple and red printed) cachet on cover | 1982 | 100th anniv. 1st IPY; also 25th anniv. IGY |
| Germany (East) | None | Cachet on cover | 1982 | (100th anniv.) 1st IPY |
| Germany (East) | None | Cancel and cachet (different) on cover | 1982 | 100th anniv. 1st IPY |
| Germany (West) | None | (Rectangular purple rubber-stamp) cachet on cover | 1982 | 100th anniv. 1st IPY; also (17th) SCAR |
| Greenland | 526c (Mi518) | One of MS3 (526 (a-c)) (BL42) | 2008 | 125th anniv. Danish 1st IPY station in Nuuk (Godthab) |
| Greenland | 526 fdc1 | MS3 on FDC (multi-color printed cachet) | ||
| Greenland | 526 fdc2 | MS3 on FDC (Greenland Post cachet) | ||
| Greenland | 526a-c fdc | One of three stamps on FDC | ||
| Guinea Republic | BL1396 | SS1 (Mi5082) | 2007 | "Années polaires internationales précédentes: 1882-1883, 1932-1933, 1956-1957, et la dernière en cours, 2007-2009)" |
| Guinea Republic | BL1396 fdc | SS1 on FDC | ||
| Korea (South) | 1289 (Mi1275) | 1982 | 100th anniv. 1st IPY | |
| Korea (South) | 1289 fdc1 | Stamp and (purple pictorial) cancel and cachet on FDC | ||
| Korea (South) | 1289 fdc2 | Stamp and (blue-black pictorial) cancel and cachet (different) on FDC | ||
| Monaco | 1358 (Mi1564) | 1982 | (100th anniv.) 1st IPY | |
| Romania | None | (Pictorial) cancel and (blue printed) cachet on cover | 1982 | 100th anniv. 1st IPY |
| Romania | None | (Cercul Filatelic Turda - Polar Section) cachet on postcard | 2007 | 125th anniv. 1st IPY |
| Romania | None | (Cercul Filatelic Turda - Polar Section) cachet on postcard | 2007 | 125th anniv. 1st IPY |
| Romania | None | (Cercul Filatelic Turda - Polar Section) cachet on postcard | 2007 | 125th anniv. 1st IPY |
| Romania | None | (Cercul Filatelic Turda - Polar Section) cachet on postcard | 2007 | 125th anniv. 1st IPY |
| Romania | None | (Cercul Filatelic Turda - Polar Section) cachet on postcard | 2007 | 125th anniv. 1st IPY |
| Romania | None | (Cercul Filatelic Turda - Polar Section) cachet on postcard | 2007 | 125th anniv. 1st IPY |
| Romania | None | (Cercul Filatelic Turda - Polar Section) cachet on postcard | 2007 | 125th anniv. 1st IPY |
| Romania | None | (Cercul Filatelic Turda - Polar Section) cachet on postcard | 2007 | 125th anniv. 1st IPY |
| Romania | None | (Cercul Filatelic Turda - Polar Section) cachet on postcard | 2007 | 125th anniv. 1st IPY |
| Romania | None | (Cercul Filatelic Turda - Polar Section) cachet on postcard | 2007 | 125th anniv. 1st IPY |
| Russia (USSR) | None | (Blue and green and black printed) cachet on stamped envelope | 1981 | 100th anniv. 1st IPY |
| South Georgia and the South Sandwich Islands | 359 (Mi446) | 2008 | (125th anniv.) 1st IPY | |
| South Georgia and the South Sandwich Islands | 359-362 fdc | One of four stamps and cachet on FDC | ||
| United States | 1107 sc/fdc (Mi727 sc/fdc) | FDC with (Fleetwood) cachet on (PCS) souvenir card | 1958 | "Two previous International Geophysical Years, also called International Polar Years, were held in 1882-3 and 1932-3" |
| United States | None | Cachet on cover | 2007 | (125th anniv.) 1st IPY |
| United States | None | Cachet on cover (different) | 2007 | (125th anniv.) 1st IPY |
| United States | None | (Mission 57) cachet on IGY cover back, also front | 2007 | "A brave 11 nations participated in the first International Polar Year during 1882-83" |
| Other non-specific IPY items | ||||
| Austria | None | (Pictorial) cancel and (blue printed) cachet on cover | 1951 | IPY and Polar Research Exhibition, 28 April - 12 May 1951, Margarethen, Germany |
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