IGY logo

International Geophysical Year
(IGY) (1957 — 1958) [3rd IPY]


Below is a checklist of International Geophysical Year (IGY) 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.

IGY is less commonly known as the 3rd International Polar Year (IPY).

Launch covers
(including anniversary-of-launch covers, and launch-related event covers)
(farther below)
Other postal items
(stamps, souvenir sheets, aerogrammes, postal cards, etc.)
(immediately below)
International Geophysical Year (IGY)
(1957 — 1958)
International Geophysical Year (IGY)
(1957 — 1958)


Below is a list of International Geophysical Year (IGY) on postal items (stamps, souvenir sheets, aerogrammes, postal cards, etc.).

CountryCatalog NumberType of ItemYear of IssueNotes on Content
International Geophysical Year (IGY) (1957 — 1958)
Argentina677 (Mi684)1958
Argentina677 fdc1Stamp on FDC (CFL cachet)
Argentina677 fdc2Stamp and (multi-color printed) cachet on FDC (Buenos Aires cancel)
Argentina677 fdc3Stamp and (IGY pictorial) cancel and (multi-color printed) cachet on FDC (? cancel)
Argentina677 fdc4Stamp and (IGY pictorial) cancel and (?) cachet on FDC
Argentina677 fdc5Stamp and (CFL) cachet on FDC (? cancel)
Argentina677 fdc6Stamp and (CFL) cachet on FDC (Cordoba cancel), also back
Argentina677 fdc7Stamp and (CFL black) cachet on FDC (General San Martin Base cancel)
Argentina677 fdc8Stamp and (CFL colored) cachet on FDC (Beunes Aires cancel)
Argentina677 folderFDC folder with block of 4 (4x 677)
ArgentinaNoneCachet on cover1958
Argentina677 postcard (Mi684 postcard)Stamp and (pictorial) cancel on postcard, also back1959
Argentina677 cover (Mi684 cover)Stamp and (pictorial) cancel and cachet on cover1959
Australian Antarctic TerritoryL4 cover (Mi? cover)(Artmaster) cachet on cover1959
BelgiumB605 (Mi1072)1957quasi-IGY2: Belgian Antarctic Expedition, 1957-1958
BelgiumB605a (BL25)MS4 (4x B605b)
BelgiumB605b (Mi1073)B605 changed colors
BelgiumB605b fdcStamp on FDC
BelgiumNone(Red and black printed) cachet on (airmail) cover1957"Anneé géophysique internationale" and "CSAGI" (Comité spécial de l'Anneé géophysique internationale)
British Antarctic Territory86-91 fdc (Mi88-93 fdc)Insert back from FDC, also insert front and cover front1982"International Geophysical Year, 1957-58"
British Antarctic Territory141 (Mi144)1987(30th anniv.) IGY; (141 has a design similar to South Georgia 124)
British Antarctic Territory142 (Mi145)
British Antarctic Territory143 (Mi146)
British Antarctic Territory144 (Mi147)
British Antarctic Territory141-144 fdcFour stamps and cachet on FDC
British Antarctic TerritoryB1-B4 fdcInsert back from FDC (BAT Official cachet), also insert front and cover front1994"The International Geophysical Year of 1957-58"
BulgariaC76 (Mi1094A)
iC76 (Mi1094B)

Imperforate
1958
BulgariaC76 fdcStamp and cachet on FDC
BulgariaC76 cover (Mi1094A cover)Stamp and cachet on cover1959
CanadaNoneAddress on (franked) envelope1957
Canada376 (Mi323)From MS100 (376a (100x 376))1958
Canada376 infoInformation sheet (376)
Canada376 fdc1Stamp and (cyan and black printed) cachet on FDC
Canada376 fdc2Stamp and (Regal) cachet on FDC
Canada376 fdc3Stamp and (ArtCraft) cachet on FDC
Canada376 fdc4Stamp and (RoseCraft blue) cachet on FDC
Canada376 fdc5Stamp and (RoseCraft blue and black) cachet on FDC
Canada376 fdc6Stamp and (red and blue printed) cachet on FDC (Ottawa cancel)
Canada376 fdc7Stamp and (red and blue printed) cachet on FDC (Campbellford cancel)
Canada376 fdc8Stamp and (multi-color printed) cachet on FDC, also insert
Canada376 fdc9Stamp and (H&E red) cachet on FDC
Canada376 fdc10Stamp and (H&E green) cachet on FDC
Canada376 fdc11Stamp and (H&E black) cachet on FDC
Canada376 fdc12Stamp and (Fleetwood) cachet on FDC
Canada376 fdc13Stamp and (C. Stephen Anderson) cachet on FDC
Canada376 fdc14Stamp and (red and black printed) cachet on FDC
Canada376 fdc15Stamp and (multi-color printed) cachet on FDC
Canada376 fdc16Stamp and (Capital-city) cachet on FDC
Canada376 fdc17Stamp and (blue and red printed) cachet on FDC (Ottawa machine cancel)
Canada376 fdc18Stamp and (blue and red printed) cachet on FDC (Kitchener hand cancel)
Canada376 fdc19Stamp and (C. George) cachet on FDC
Canada376 fdc20Stamp and (Rank velvet) cachet on FDC
Canada376 essay1Essay
Canada376 essay2Essay (different)
CanadaNoneCachet on cover1958
CanadaNoneCachet on cover (different)1958
CanadaNoneCachet on cover (different)1958
CanadaNoneCachet on cover1962
ChadUnknown ms (Mi none)
Unknown ims
In (upper-right) margin of MS4 (a-d) [known illegal issue]
In (upper-right) margin of imperforate MS4 (a-d)
2011IGY logo
ChadUnknown ms fdcMS4 on FDC
ChadUnknown ms (Mi none)
Unknown ims
In (upper-left) margin of MS4 (a-d) [known illegal issue]
In (upper-left) margin of imperforate MS4 (a-d)
2011IGY logo; also IPY
ChadUnknown fdc
Unknown ifdc
MS4 on FDC
Imperforate MS4 on FDC
ChadUnknown ms (Mi none)
Unknown ims
In (upper-left) margin of MS4 (a-d) [known illegal issue]
In (upper-left) margin of imperforate MS4 (a-d)
2017IGY logo; also IPY [overprints of Chad 2011 set]
ChadUnknown fdc
Unknown ifdc
MS4 on FDC
Imperforate MS4 on FDC
Chile305 (Mi545)1958/1959
ChileC214 (Mi546)
Chile305+C214 fdcTwo stamps and cachet on FDC (1959-08-29)
ChileC214 fdcStamp and cachet on FDC (1959)
Colombia680 (Mi827)1958
ColombiaC309 (Mi828)
ColombiaC310 (Mi829)
Colombia680+C309 fdcTwo stamps and (pictorial) cancel and (blue and brown printed) cachet on FDC
Colombia680+C309-C310 fdcThree stamps and (pictorial) cancel and (blue and brown printed) cachet on FDC
Cuba2132 (Mi2208)Stamp-on-stamp: East Germany 370 (Mi1603)1977"International Geophysical Year" (in German text); also Sputnik-1 like satellite (in first stamp-on-stamp)
Cuba2133 (Mi2209)Stamp-on-stamp: Hungary 1216 (Mi1575)
Cuba2134 (Mi2210)Stamp-on-stamp: North Korea 134 (Mi141)
Cuba2135 (Mi2211)Stamp-on-stamp: Poland 822 (Mi1062)
Czechoslovakia836 (Mi1055)1957
Czechoslovakia837 (Mi1056)
Czechoslovakia837 maxiMaxicard
Czechoslovakia838 (Mi1057)
Czechoslovakia836-838 fdcThree stamps and (pictorial) cancel and (black printed) cachet on FDC
Dominican RepublicB21 (Mi672)501 surcharged for IGY1959
Dominican RepublicB22 (Mi673)502 surcharged for IGY
Dominican RepublicB21-B22 fdcTwo stamps and cachet on FDC
Dominican RepublicB23 (Mi674)503 surcharged for IGY
Dominican RepublicB24 (Mi675)504 surcharged for IGY
Dominican RepublicB25 (Mi676)505 surcharged for IGY
Dominican RepublicB25a (BL21?)MS5 (B21-B25), 505a surcharged for IGY
Dominican RepublicB23-B25 fdcThree stamps and cachet on FDC
Dominican RepublicB21-B25 o/p proofsOverprint proofs
Dominican RepublicCB13 (Mi677)C106 surcharged for IGY1959
Dominican RepublicCB14 (Mi678)C107 surcharged for IGY
Dominican RepublicCB15 (Mi679)C108 surcharged for IGY
Dominican RepublicCB15a (BL22)MS3 (CB13-CB15), C108a surcharged for IGY
Dominican RepublicCB13-CB15 fdcThree stamps and cachet on FDC
Ecuador650 (Mi992)1958
Ecuador650 fdc1Stamp and (pictorial) cancel and (Asociación Filatélica Ecuatoriana) cachet on FDC
Ecuador650 fdc2Stamp and (pictorial) cancel and (Ecuador Post) cachet on FDC
Ecuador718 (Mi1134)650 overprinted in red1964
EcuadorC422 (Mi1135)650 overprinted in gold
EcuadorC422a (Mi unlisted)650 overprinted in gold/red
Ecuador1682 (BL176)Imperforate SS1, stamp-on-stamp: 650 (cutout)2003
Falkland Islands DependenciesNone(Pictorial) cancel1956
Finland373-374 fdc (Mi522-523 fdc)(Grey printed) cachet on FDC1960Also IUGG1, Helsinki
French Southern and Antarctic Territories8 (Mi10)1957
French Southern and Antarctic Territories9 (Mi11)
French Southern and Antarctic Territories10 (Mi12)
French Southern and Antarctic Territories8-10 cover1 (Mi10-12 cover1)Three stamps on cover (blue printed cachet)1957
French Southern and Antarctic Territories8-10 cover2 (Mi10-12 cover2)Three stamps and (Éditions J.F. and purple rubber-stamp) cachet on cover [not a FDC despite the text "First Day Cover" in the cachet]
French Southern and Antarctic Territories8-10 cover3 (Mi10-12 cover3)Three stamps and (black and red printed and magenta rubber-stamp) cachet on cover
French Southern and Antarctic Territories8-10 cover (Mi10-12 cover)Three stamps and (magenta rubber-stamp) cachet on cover1958
French Southern and Antarctic TerritoriesC73 (Mi177)One of strip of 3 (C75a (C73-C75)) (Mi177-179), or five of MS15 (C75b (5x (C73-C75)))198325th anniv. IGY
French Southern and Antarctic TerritoriesC73 dsDeluxe sheet (C73)
French Southern and Antarctic TerritoriesC75a fdcStrip of 3 on FDC
French Southern and Antarctic TerritoriesC80 sc (Mi190 sc)Souvenir card (C80)1984"l'Année Géophysique Internationale (1957-59)"
French Southern and Antarctic Territories224 cover (Mi359 cover)(Black rubber-stamp) cachet on postal card, also back1997"40th anniv. IGY" (in French text)
French Southern and Antarctic Territories232 (Mi370)One of strip of 3 (232a (230-232)) (Mi368-370), or five of MS15 (232b (5x (230-232))1997(40th anniv.) IGY
French Southern and Antarctic Territories232a fdc1One of strip of 3 on FDC (Éditions J.F. cachet)
French Southern and Antarctic Territories232a fdc2One of strip of 3 on FDC (? cachet)
French Southern and Antarctic Territories232a fdc3One of strip of 3 on FDC (? cachet)
French Southern and Antarctic Territories232a fdc4One of strip of 3 on FDC (? cachet)
French Southern and Antarctic TerritoriesC149 (Mi386)199840th anniv. IGY
French Southern and Antarctic TerritoriesC149 fdcStamp and (pictorial) cancel and (blue printed) cachet (reproduction of stamp) on FDC
French Southern and Antarctic TerritoriesC149 cover (Mi386 cover)Stamp on cover199840th anniv. IGY
French Southern and Antarctic TerritoriesC80 cover (Mi190 cover)(Multi-color printed) cachet on cover199840th anniv. IGY
French Southern and Antarctic Territories386a (Mi621)From strip of 2 (386 (a-b + label)), or from MS10 (386c (5x 386 (a-b) + 5 labels)); IGY stamp-on-stamp: 9200750th anniv. IPY (IGY) historical research toward new frontiers
French Southern and Antarctic Territories386b (Mi622)50th anniv. IGY (IPY)
French Southern and Antarctic Territories494 (Mi?)2014IGY logo
Germany (East)370 (Mi603)1957"International Geophysical Year" (in German text); also Sputnik-1 like satellite
Germany (East)370 fdcFour stamps and cachet on FDC
Germany (East)370 maxiMaxicard
Germany (East)371 (Mi616)1958"International Geophysical Year" (in German text)
Germany (East)372 (Mi617)
Germany (East)371-372 fdcTwo stamps on FDC
Germany (East)None(Black printed) cachet (including reproductions of East Germany 370 and Japan 637) on cover (Russia/USSR 1767 is not an IGY issue)1962"International Geophysical Year" (in German text); partial IGY logo (on Japan stamp)
Germany (East)None(Purple and red printed) cachet on cover198225th anniv. IGY; also 100th anniv. 1st IPY
Germany (West)1404 sc (Mi1187 sc)Souvenir card back, also front1983"International Geophysical Year" (in German text)
Great BritainNone(Maia, The Band private advertising) cinderella2012(design similar to Russia 2235)
GreenlandNone(Red and purple printed) cachet on cover1959"International Geophysical Year ... Egedesminde ... IGY weather station"
GreenlandNone(Red and blue printed) cachet on cover1959"Mesters Vig ... new [International] geophysical year free world weather base"
Greenland526a (Mi516)One of MS3 (526 (a-c)) (BL42)200850th anniv. IGY; also IPY
Greenland526 fdcMS3 and cachet on FDC (? cachet)
Greenland526 fdc2MS3 on FDC (Greenland Post cachet)
Greenland526a-c fdcThree stamps on FDC (Greenland Post cachet)
Guernsey (Great Britain)449-452 fdc (Mi518-521 fdc)Insert from FDC, also insert back and FDC front1991"International Geophysical Year"
Guinea RepublicBL1390In (left and lower-right) margin of SS1200750th anniv. IGY (1957 - 2007); also IHY
Guinea RepublicBL1390 fdcSS1 on FDC
Guinea RepublicBL1391In (lower-right) margin of SS1 (different)
Guinea RepublicBL1391 fdcSS1 on FDC
Guinea RepublicBL1392In (lower-right) margin of SS1 (different)
Guinea RepublicBL1392 fdcSS1 on FDC
Guinea RepublicMi5067-5069_ms3In (right) margin of MS3 (Mi5067-5069)
Guinea RepublicMi5067-5069_ms3 fdcMS3 on FDC
Guinea RepublicBL1397SS1 (Mi5083)2007"Année géophysique internationale"; also IPY
Guinea RepublicBL1397 fdcSS1 on FDC
Haiti424 (Mi493)1958
Haiti425 (Mi494)
Haiti426 (Mi495)
Haiti427 (Mi496)
HaitiC119 (Mi497)
HaitiC120 (Mi498)
HaitiC121 (Mi499)
Haiti424-427+C119-C121 fdcSeven stamps on (airmail) FDC
HaitiC121a (BL8)On one of imperforate MS4 (427 + C119-C121)
Hungary1212 (Mi1571A)1959
Hungary1213 (Mi1572A)
Hungary1214 (Mi1573A)
Hungary1215 (Mi1574A)
Hungary1216 (Mi1575A)
Hungary1217 (Mi1576A)
Hungary1218 (Mi1577A)
Hungary1212+1216-1217 fdcThree stamps and cachet on FDC
Hungary1213-1215+1218 fdcFour stamps and cachet on FDC
Hungary1262 (Mi1626A)
i1262 (Mi1626B)
like 1216, overprinted in red
Imperforate
1959
Hungary1262 fdc1Stamp on FDC (Budapest cancel)
Hungary1262 fdc2Stamp on FDC (Budapest cancel, different)
Hungary1262 fdc3Stamp and (orange and purple and blue printed) cachet on FDC
Hungary1262 fdc4Stamp and (grey printed) cachet on FDC
Hungary1262 fdc5Stamp and (brown printed) cachet on FDC
Hungary1262 fdc6Stamp and (orange and blue and purple printed) cachet on FDC
Hungary1262 fdc7Stamp and (orange and blue and purple and grey printed) cachet on FDC
Hungary1262a (Mi?)1262 without red overprint
Hungary2492 (Mi3208)Stamp and label, stamp-on-stamp: East Germany 370 (IGY)1977"International Geophysical Year" (in German text); also Sputnik-1 like satellite
Hungary2492a (BL?)MS3 (3x 2492 + 3 labels)1977
IcelandNone(Red and black printed) cachet on cover1958
Indonesia460 (Mi224)1958
Indonesia461 (Mi225)
Indonesia462 (Mi226
Indonesia463 (Mi227)
Indonesia464 (Mi228)
Indonesia460-464 fdc1Five stamps and cachet on FDC
Indonesia460-464 fdc2Five stamps and cachet (different) on FDC
Ivory CoastUnknown 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)
2011IGY logo; also IPY
Ivory CoastUnknown fdc
Unknown ifdc
MS4 on FDC
Imperforate MS4 on FDC
Ivory CoastUnknown ms (Mi none)
Unknown ims
In (upper-left) margin of MS4 (a-d) [known illegal issue]
In (upper-left) margin of imperforate MS4 (a-d)
2011IGY logo; also IPY
Ivory CoastUnknown fdc
Unknown ifdc
MS4 on FDC
Imperforate MS4 on FDC
Ivory CoastUnknown ms (Mi none)
Unknown ims
In (upper-left) margin of MS4 (a-d) [known illegal issue]
In (upper-left) margin of imperforate MS4 (a-d)
2011IGY logo; also IPY
Ivory CoastUnknown fdc
Unknown ifdc
MS4 on FDC
Imperforate MS4 on FDC
Ivory CoastUnknown ms (Mi none)In (upper-left) margin of MS4 (a-d) [known illegal issue]2012IGY logo; also IHY
Japan637 (Mi669)1957partial IGY logo
Japan637 fdc1Stamp and (pictorial) cancel and (?) cachet on FDC
Japan637 fdc2Stamp and (pictorial) cancel and (?) cachet on FDC
Japan637 fdc3Stamp and (?) cachet on FDC
Japan637 fdc4Stamp and (pictorial) cancel and (?) cachet on FDC card
Japan637 cover1 (Mi669 cover1)Stamp and (Fleetwood and purple rubber-stamp) cachet on cover1958partial IGY logo (on stamp)
Japan637 cover2 (Mi669 cover2)Stamp and (pictorial) cancel and (brown printed) cachet on cover1958partial IGY logo (on stamp)
Japan637 cover3 (Mi669 cover3)Stamp and (pictorial) cancel (different) on cover (multi-color printed cachet)1959partial IGY logo (on stamp)
Korea (North)134 (Mi141)1958
Korea (North)135 (Mi142)
Korea (North)136 (Mi143)
Korea (North)137 (Mi144)
Korea (North)134-137 proofsSigned proofs
Korea (North)1923 (Mi1973)Stamp-on-stamp: North Korea 134 (Mi141)1980
Korea (North)1924a (Mi1973-1974)MS2 (1923-1924), stamp-on-stamp: North Korea 134 (Mi141)
Korea (South)235+251+285 cover (Mi? cover)Cachet on cover1958
MaliUnknown ms (Mi?)
Unknown ims
In (upper-left) margin of MS4 (a-d)
In (upper-left) margin of imperforate MS4 (a-d)
2011IGY logo; also IHY
MaliUnknown fdc
Unknown ifdc
MS4 on FDC
Imperforate MS4 on FDC
NetherlandsNoneCinderella on rocket mail (airmail) cover1959
Netherlands Antilles241 (Mi65)1957
Netherlands Antilles241 fdc1Stamp and (pictorial) cancel and (cyan and black printed) cachet on FDC
Netherlands Antilles241 fdc2Stamp and (pictorial) cancel and (blue and red printed) cachet on FDC
Norway355 (Mi411)1957
Norway356 (Mi412)
Norway357 (Mi413)
Norway355-357 fdc1Three stamps and (blue and red printed) cachet on FDC (1-star Oslo cancel)
Norway355-357 fdc2Three stamps and (blue and red printed) cachet on FDC (4-star Oslo cancel)
Norway355-357 fdc3Three stamps and (cyan and black printed) cachet on FDC (1-star Oslo cancel)
Norway355-357 fdc4Three stamps and (FRI-ME-CO - OSLO) cachet on FDC (4-star Oslo cancel)
Norway356 cover (Mi411 cover)Stamp and (green and black printed) cachet on cover1957
NorwayNone(Pictorial) cancel1957
Norway356-357 cover (Mi412-413 cover)Two stamps and (black rubber-stamp) cachet on cover1958
NorwayNoneCachet on cover, also back1958
Norway101+356+399+662 sc (Mi?+412+?+? sc)Souvenir card of 4 (101, 356, 399, and 662)1977
PeruC168 (Mi599)1961
PeruC168 fdcStamp and (Perufila) cachet on FDC
PeruC168 errorDouble-impression error
Poland821 (Mi1061)1958
Poland822 (Mi1062)
Poland821-822 fdcTwo stamps and (multi-color printed) cachet on FDC
RomaniaC51a fdc (Mi1678+1680 fdc)(Red and blue printed) cachet on FDC1957
RomaniaC52a fdc (Mi1677+1679 fdc)(Red and blue printed) cachet on FDC
RomaniaC51a-C52a fdc(C.G. Junior III) cachet on FDC
RomaniaNone(Pictorial) cancel on postcard (Cercul Filatelic Turda - Polar Section cachet)2007IGY logo
RomaniaNone(Pictorial) cancel on postcard (Cercul Filatelic Turda - Polar Section cachet)2007IGY logo
RomaniaNone(Pictorial) cancel on postcard (Cercul Filatelic Turda - Polar Section cachet)2007IGY logo
RomaniaNone(Pictorial) cancel on postcard (Cercul Filatelic Turda - Polar Section cachet)2007IGY logo
RomaniaNone(Pictorial) cancel on postcard (Cercul Filatelic Turda - Polar Section cachet)2007IGY logo
RomaniaNone(Pictorial) cancel on postcard (Cercul Filatelic Turda - Polar Section cachet)2007IGY logo
RomaniaNone(Pictorial) cancel on postcard (Cercul Filatelic Turda - Polar Section cachet)2007IGY logo
RomaniaNone(Pictorial) cancel on postcard (Cercul Filatelic Turda - Polar Section cachet)2007IGY logo
RomaniaNone(Pictorial) cancel on postcard (Cercul Filatelic Turda - Polar Section cachet)2007IGY logo
RomaniaNone(Pictorial) cancel on postcard(Cercul Filatelic Turda - Polar Section cachet)2007IGY logo
RomaniaNone(Pictorial) cancel on postcard (Cercul Filatelic Turda - Polar Section cachet)2007IGY logo
Russia (USSR)1957 (Mi1961)1957
Russia (USSR)1958 (Mi1985)
Russia (USSR)1959 (Mi1992)
Russia (USSR)1959 cover (Mi1992 cover)(Pictorial) cancel on cover, also back19585th Assembly CSAGI3
Russia (USSR)NonePostcard back1958(see also item below)
Russia (USSR)2083 (Mi2101)Stamp and label1958"IGY"
Russia (USSR)NonePostcard back, also front1959(See also item above)
Russia (USSR)2089 (Mi2105)1958
Russia (USSR)2090 (Mi2103)
Russia (USSR)2091 (Mi2104)
Russia (USSR)2089-2091 fdcThree stamps on FDC
Russia (USSR)2089 cover (Mi2105 cover)Stamp and (pictorial) cancel and (black rubber-stamp) cachets on cover19585th Assembly CSAGI3
Russia (USSR)2091 cover (Mi2104 cover)Stamp and (pictorial) cancel and (black rubber-stamp) cachets on cover19585th Assembly CSAGI3
Russia (USSR)1884+2089-2091+2087 cover (Mi? cover)Three of five stamps on cover1959
Russia (USSR)2232 (Mi2259)1959IGY logo
Russia (USSR)2233 (Mi2277)
Russia (USSR)2234 (Mi2260)
Russia (USSR)2235 (Mi2261)See also Great Britain cinderella 2012
Russia (USSR)NoneVarious Russian (IGY and other) stamps and (dark-blue printed) cachet on cover, also back1959IGY logo
Russia (USSR)None(Pictorial) cancel on stamped envelope1963MGG4
Russia (USSR)None(Pictorial) cancel on stamped envelope (different)1963MGG4
Russia (USSR)None(Pictorial) cancel and (blue printed) cachet on stamped envelope1963IGY and MGG4
Russia (USSR)None(Green and orange and black printed) cachet on stamped envelope197720th anniv. IGY
Russia (USSR)NonePrinted stamp and (pictorial) cancel and (multi-color printed) cachet on stamped envelope1982"25th anniv. IGY"; IGY logo (on stamp)
Russia (USSR)None(Pictorial) cancel and (black printed) cachet on cover1982"25th anniv. IGY"; IGY logo
Russia7140 fdc (Mi1548 fdc)(Multi-color printed) cachet (with reproductions of Russia 2232, 2233, 2234, and 2235) on FDC2009IGY logo
St. Thomas and Prince IslandsUnknown ms (Mi?)In (left) margin of MS92006IGY logo
St. Thomas and Prince IslandsUnknown ms fdcMS9 on FDC
St. Thomas and Prince IslandsUnknown ims fdc1Imperforate MS9 on FDC
St. Thomas and Prince IslandsUnknown ims fdc2Imperforate MS9 on FDC (different)
St. Thomas and Prince IslandsUnknown fdc(Multi-color printed) cachet on FDC
St. Thomas and Prince IslandsUnknown fdc (Mi? fdc)(Black and green printed) cachet on FDC (blue pictorial cancel)2006IGY logo
St. Thomas and Prince IslandsUnknown ifdc(Black and green printed) cachet on FDC (red pictorial cancel)
SomaliaUnknown ss (BL?)
Unknown iss
In (upper-right) margin of SS1, also detail
In (upper-right) margin of imperforate SS1, also detail
2004IGY logo
SomaliaUnknown a (Mi?)
Unknown ia
One of MS6 (a-f), also detail
One of imperforate MS6 (a-f), also detail
SomaliaUnknown ms fdc
Unknown ims fdc
MS6 on FDC
Imperforate MS6 on FDC
South Africa200-206+208 cover (Mi239-245+247 cover)(C. George) cachet on cover (not a FDC as noted in cachet)1958
South Africa203 cover (Mi242 cover)(Blue printed) cachet on cover (not a FDC as noted in cachet)1958
South Africa206 cover (Mi245 cover)(Red and black printed) cachet on cover1958
South AfricaNonePostcard1958
South AfricaNoneCachet on card1958
South Georgia and the South Sandwich Islands124 (Mi165)1987(30th anniv.) IGY; (124 has a design similar to British Antarctic Territory 141)
South Georgia and the South Sandwich Islands125 (Mi166)
South Georgia and the South Sandwich Islands126 (Mi167)
South Georgia and the South Sandwich Islands124-126 fdcThree stamps and cachet on FDC
United StatesNoneCinderella on rocket mail cover (rocket no.2)1957
United StatesNoneCinderella on rocket mail cover (rocket no.3), also back1957
United StatesNoneCinderella on rocket mail cover (rocket no.4)1957
United StatesNone(Black printed and magenta rubber-stamp) cachet on cover1957
United StatesNone(Black and red printed) cachet on (airmail) cover1957"IGY - Deep Freeze II 1956-57 - IGY"
United StatesNone(Official Goldey Cachet) cachet on cover1957"IGY - Deep Freeze III 1957-58 - IGY"
United StatesNone
iNone
Cinderella MS4
Imperforate cinderella MS4
1957"Commemorating the start of the International Geophysical Year, 1957-1958"
United StatesNone
iNone
Cinderella strip of 2
Imperforate cinderella strip of 2
1958"Conclusion of the International Geophysical Year 1957-1958" and "Start of the International Geophysical Cooperation - 1959"
United StatesNone
iNone
One (USA 1107) of 2 stamps and (brown printed) cachet and the cinderella strip of 2 on cover, also back
One (USA 1107) of 2 stamps and (brown printed) cachet and the imperforate cinderella strip of 2 on cover, also back
1958"Commemorating IGY and IGC [International Geophysical Cooperation]"; strip of 2 cinderella as above
United StatesNone(Purple rubber-stamp) cachet (and signature) on (airmail) cover1958
United StatesNone(Black printed) cachet on cover1958
United StatesNone(Red rubber-stamp) cachet on cover1958
United StatesNone(Magenta rubber-stamp) cachet on cover back, also front1958
United StatesNoneXmas card, also front and back1958
United States1107 (Mi727)From MS50 (1107a (50x 1107))1958
United States1107 essayPhoto-essay (4c value)
United States1107 fdc1Stamp and (The Aristocrats/Day Lowry) cachet on FDC
United States1107 fdc2Stamp and (IGY logo) cancel and (Fluegel Covers) cachet on FDC
United States1107 fdc3Stamp and (IGY logo) cancel and (multi-color printed) cachet on FDC
United States1107 fdc4Stamp and (IGY logo) cancel and (Kolor Kover) cachet on FDC
United States1107 fdc5Stamp(s) and (IGY logo) cancel and (Artmaster) cachet on FDC
United States1107 fdc6Stamp and (IGY logo) cancel and (Artmaster and ?) cachet on FDC
United States1107 fdc7Stamp and (IGY logo) cancel and (ArtCraft) cachet on FDC
United States1107 fdc8Stamp and (IGY logo) cancel and (ArtCraft) cachet on FDC (different Chicago cancel)
United States1107 fdc9Stamp and (ArtCraft) cachet on FDC (Compex Station text cancel)
United States1107 fdc10Stamp and (ArtCraft) cachet on FDC (Pole Station, Antarctica cancel)
United States1107 fdc11Stamp and (IGY logo) cancel and (ArtCraft and J. Kaplan bio) cachet on FDC
United States1107 fdc12Stamp and (IGY logo) cancel and (ArtCraft colorized) cachet on FDC
United States1107 fdc13Stamp and (IGY logo) cancel and (Compex brown and black rubber-stamp) cachet on FDC
United States1107 fdc14Stamp and (Compex dark-blue) cachet on FDC (Compex Station text cancel)
United States1107 fdc15Stamp and (IGY logo) cancel and (Compex black) cachet on FDC
United States1107 fdc16Stamp and (IGY logo) cancel and (RoseCraft) cachet on FDC
United States1107 fdc17Stamp and (RoseCraft) cachet on FDC
United States1107 fdc18Stamp and (IGY logo) cancel and (Harris Cachet) cachet on FDC
United States1107 fdc19Stamp and (IGY logo) cancel and (Imperial) cachet on FDC
United States1107 fdc20Stamp and (IGY logo) cancel and (orange and black printed) cachet on FDC
United States1107 fdc21Stamp and (IGY logo) cancel and (ATA Satellite Unit) cachet on FDC
United States1107 fdc22Stamp and (IGY logo) cancel and (Hobo Art) cachet on FDC
United States1107 fdc23Stamp and (IGY logo) cancel and (Hobo Art) cachet (different) on FDC
United States1107 fdc24Stamp and (Ken Boll/Cachet Craft) cachet on FDC (Washington DC machine cancel)
United States1107 fdc25Stamp and (Ken Boll/Cachet Craft) cachet on FDC (Washington DC hand cancel)
United States1107 fdc26Stamp and (IGY logo) cancel and (Ken Boll/Cachet Craft) cachet on FDC
United States1107 fdc27Stamp and (IGY logo) cancel and (Ken Boll/Cachet Craft) cachet (and signature) on FDC
United States1107 fdc28Stamp and (IGY logo) cancel and (HF) cachet on FDC
United States1107 fdc29Stamp and (IGY logo) cancel and (C. Stephen Anderson red) cachet on FDC
United States1107 fdc30Stamp and (IGY logo) cancel and (C. Stephen Anderson blue) cachet on FDC
United States1107 fdc31Stamp and (IGY logo) cancel and (black printed) cachet on FDC
United States1107 fdc32Stamp and (IGY logo) cancel and (Webcraft) cachet on FDC, also back
United States1107 fdc33Stamp and (IGY logo) cancel on FDC (Goldcraft Cachets cachet)
United States1107 fdc34Stamp and (IGY logo) cancel and (Rank velvet pink and black) cachet on FDC
United States1107 fdc35Stamp and (IGY logo) cancel and (Rank velvet red and black) cachet on FDC
United States1107 fdc36Stamp and (IGY logo) cancel and (Velvatone) cachet on FDC
United States1107 fdc37Stamp and (IGY logo) cancel and (Fleetwood) cachet on FDC
United States1107 fdc38Stamp and (IGY logo) cancel and (red and black printed) cachet on FDC
United States1107 fdc39Stamp and (IGY logo) cancel and (Beck) cachet on FDC
United States1107 sc/fdcFDC with cancel and (Fleetwood) cachet on (PCS) souvenir card
United States1107 cardFDC (souvenir?) card
United States1107 folder(Compex) FDOI folder, also back
United States1107 maxiMaxicard
United States1107 fdc
3410c fdc
Stamp and (IGY logo) cancel and (C. Stephen Anderson) cachet on dual-cancel FDC1958
2000
IGY logo (in cancel), and "International Geophysical Year" (in cachet); "Thousands of scientists from 67 nations have pooled their abilities and facilities for the advancement of knowledge of our Earth and its place in, and relation to, the universe. Weather, cosmic radiation, terrestrial magnetism, solar activity, variations in gravity and Arctic and Antarctic phenomena are a few of the many subjects that have been intensively studied"
United States1107 fdc
4123a-b fdc
Stamp and (IGY logo) cancel and (multi-color printed) cachet on dual-cancel FDC1958
2007
IGY and IPY logos
United StatesNone ms
None ims
(RRI) cinderella MS4 (2x (a-b))
(RRI) imperforate cinderella MS4 (2x (a-b))
1958"Conclusion of the International Geophysical Year 1957-1958"
United States1107 cover1 (Mi727 cover1)Stamp and (black printed) cachet on cover (Port Canaveral FL cancel)19591st anniv. IGY
United States1107 cover2 (Mi727 cover2)Stamp and (black printed) cachet on cover (Las Vegas NV cancel)19591st anniv. IGY
United States1107 cover3 (Mi727 cover3)Stamp and (blue printed and black rubber-stamp) cachet on cover1959"IGY"
United States1041 cover (Mi? cover)Back of cover, also front1960"IGY"
United States1107+1237 cover (Mi727+? cover)(RRI) cachet on cover1964IGY logo; "IGY"
United StatesNone(Purple rubber-stamp) cachet on (RRI) cover1964"5th Anniversary Conclusion of IGY"; also IGY logo
United StatesNone(Brown printed) cachet on cover, also insert1964IGY logo
United StatesNone(Magenta rubber-stamp) cachet on cover197720th anniv. IGY
United StatesNone(Black rubber-stamp) cachet on cover197820th anniv. IGY
United StatesNone(Colorano silk/ASDA) cachet (with reproductions of Canada 376 and Indonesia 460) on cover, also annotated cachet1983
United StatesSC109(USPS/Italia-85) Souvenir Card of 2 (1107, Italy 830)1985
United StatesC130 maxi (Mi2148 maxi)(Unicover) maxicard back, also front1991"During the 1950s the scientific community established an International Geophysical Year to coincide with sunspot activity projected for 1957-1958"
United StatesC130 fdc (Mi2148 fdc)(Fleetwood) back of FDC, also front"International Geophysical Year"
United StatesC130 program (Mi2148 program)(USPS) FDOI program page2, also page1 and front
United StatesCP366(USPS no.366) commemorative panel (C130)"International Geophysical Year (IGY)"
United States3187d fdc (Mi3126 fdc)(PCS golden-replica) back of FDC, also front1999"International Geophysical Year"
United States3187 book page 17 (Mi3126 book page 17)Page 17 from (USPS) "1950s" bookThe "International Geophysical Year (IGY)", a "worldwide study of geological and atmospheric phenomena"
United StatesNoneCachet on cover2007(50th anniv.) IGY
United StatesNone(Stamps.com) personalized postage and cachet on cover200750th anniv. IGY/IPY
United StatesNone(Mission 57) cachet on cover back, also front200750th anniv. IGY, IGY logo
United StatesNone(Coverscape) cachet on cover201860th anniv. end of the "International Geophysical Year"
United StatesNone(Coverscape) cachet on cover2019"James A. Van Allen" was the "discoverer of the magnetosphere", which was named the "'Van Allen Radiation Belts' in his honor, following his discovery of them during the International Geophysical Year in 1958"
Yugoslavia525 (Mi868)1958"MGG4 - AGI"
YugoslaviaC58 (Mi869)
Yugoslavia525 fdcStamp and (yellow and blue and black printed) cachet on FDC
Yugoslavia525+C58 fdcTwo stamps and (yellow and blue and black printed) cachet on FDC

1IUGG: International Union of Geodesy and Geophysics
2Quasi-IGY items imply, but do not specifically mention, IGY.
3CSAGI: Comité spécial de l'Année géophysique internationale (committee that coordinated IGY activities)
4MGG: IGY (Mezhdunarodnovo Geofisicheskovo Goda, International Geophysical Year)


Below is a list of International Geophysical Year (IGY) on satellite launch and event covers.

CountryCancel DateCancel LocationType of ItemNotes on Content
International Geophysical Year (IGY) (1957 — 1958)
United States1958-03-26Patrick AFB, FL(Fleetwood printed and Epps blue rubber-stamp) cachets on Explorer-3 launch coverIGY logo
Russia (USSR)1958-04-14?Moscow(Pictorial) cancel on Sputnik-2 event coverMGG1
United States1958-07-26Patrick AFB, FL(Artmaster) cachet on Explorer-4 launch cover"IGY"
United States1958-07-26Port Canaveral FL(USA 1107) stamp and (black printed) cachet on Explorer-4 launch coverIGY logo (in cachet)
United States1958-05-28Washington DC(Hand-written) cachet on Vanguard-SLV1 launch cover"US National Committee for IGY"
United States1958-03-17Patrick AFB, FL(Goldcraft) cachet on Vanguard-1 launch cover"International Geophysical Year"
United States1959-09-18Port Canaveral FL(Sarzin) cachet on Vanguard-3 launch cover"International Geo. Year"
United States1973-01-31Redstone Arsenal AL(MoF no.3) insert from Explorer-1 anniversary-of-launch cover, also insert back and cover front"International Geophysical Year 1957-1958"
United States1973-03-17Cape Canaveral FL(MoF no.4) insert from Vanguard-1 anniversary-of-launch cover, also insert back and cover front"International Geophysical Year (July 1957 - December 1958)"
United States1983-01-31Pasadena CA(JPL Stamp Club) insert from Explorer-1 anniversary-of-launch cover, also front"International Geophysical Year"
United States1998-01-31Cape Canaveral FL(Black and blue and grey printed) cachet on Explorer-1 anniversary-of-launch cover"International Geophysical Year (IGY)"
United States2002-07-10Cape Canaveral FL(Multi-color printed) cachet (with reproduction of Hungary 1218) on Telstar-1 anniversary-of-launch cover
United States2008-01-31Washington DC(Mission 57) back of Explorer-1 anniversary-of-launch cover, also front"IGY"
United States2013-01-31Bourne Station MA(Coverscape) cachet on Explorer-1 anniversary-of-launch cover"IGY"

1MGG: IGY (Mezhdunarodnovo Geofisicheskovo Goda, International Geophysical Year)


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