IQSY logo

International Quiet
Sun Year (IQSY)
(1964-1965)


Below is a checklist of International Quiet Sun Year (IQSY) 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 topic:


CountryCatalog Number*Type of Item**Year of IssueNotes on Content
Argentina772 (Mi862)1965
Argentina772+C98-C99 fdcOne of three stamps on FDC
ArgentinaNoneCachet on cover1965IQSY symbol
AustriaNoneCancel and cachet on cover1964IQSY symbol
Australian Antarctic TerritoryNoneCachet on cover1966IQSY symbol
Bulgaria1462 (Mi1589)1965
Bulgaria1463 (Mi1590)
Bulgaria1464 (Mi1591)
Central Africa Republic34 (Mi57)1964
Cuba958 (Mi1020)1965
Cuba959 (Mi1021)
Cuba960 (Mi1022)
Cuba961 (Mi1023)
Cuba962 (Mi1024)
Cuba963 (Mi1025)
Cuba963a (BL26?)Imperforate SS1 (963)
Cuba963b (BL26?)Imperforate SS1 (963) changed colors
Czechoslovakia1289 (Mi1515)1965
Czechoslovakia1290 (Mi1516)
Dahomey196 (Mi244)1964
Dahomey197 (Mi245)
EstoniaNoneCachet on cover1964IQSY-type sun symbol and IQSY in text
French Southern and Antarctic Territories24 (Mi29)1963
French Southern and Antarctic Territories24 proof stripColor proof strip
French Southern and Antarctic TerritoriesC6 (Mi30)
French Southern and Antarctic Territories24+C6 fdcTwo stamps and cachet on FDC
Gabon179 (Mi215)1965
Germany (East)745 (Mi1081)SS11964
Germany (East)746 (Mi1082)SS1
Germany (East)747 (Mi1083)SS1
Germany (West)None(Black and red) cancels and (ISQY symbol and Russia 2841) cachets on cover1964IQSY symbol
Germany (West)None(Black) cancels and (IQSY symbol) cachet on cover1964IQSY symbol
Ghana164 (Mi170)1964
Ghana165 (Mi171)
Ghana166 (Mi172)
Ghana166aImperforate MS4 (4x 166)
Ghana186 (Mi185)
Ghana186aMS12 (12x 186)
Ghana187 (Mi186)
Ghana187aMS12 (12x 187)
Ghana188 (Mi187)
Ghana188aMS12 (12x 188)
Hungary1659 (Mi2101A)
i1659 (Mi2101B)
1965
Hungary1660 (Mi2102A)
i1660 (Mi2102B)
Hungary1661 (Mi2103A)
i1661 (Mi2103B)
Hungary1662 (Mi2104A)
i1662 (Mi2104B)
Hungary1663 (Mi2105A)
i1663 (Mi2105B)
Hungary1664 (Mi2106A)
i1664 (Mi2106B)
Hungary1665 (Mi2107A)
i1665 (Mi2107B)
Hungary1666 (Mi2108A)
i1666 (Mi2108B)
Hungary1667 (Mi2109A)
i1667 (Mi2109B)
Hungary1668 (BL46A)
i1668 (BL46B)
SS1
ItalyNoneCachet on cover back1963IQSY symbol
Maldive Islands147 (Mi155)1965
Maldive Islands147aMS9 (9x 147)
Maldive Islands148 (Mi156)
Maldive Islands148aMS9 (9x 148)
Maldive Islands149 (Mi157)
Maldive Islands149aMS9 (9x 149>
Maldive Islands150 (Mi158)
Maldive Islands150aMS9 (9x 150)
Mali65 (Mi90)1964
Mauritania176 (Mi231)1964
Mongolia371 (Mi377)1965
Mongolia372 (Mi378)
Mongolia373 (Mi379)
Mongolia374 (Mi380)
Mongolia375 (Mi381)
MongoliaC6 (Mi382)
MongoliaC7 (Mi383)
MongoliaC8 (Mi384)
Niger138 (Mi71)1964
Niger138 proofDeluxe proof
Nigeria173 (Mi164)1965
Nigeria173aMS12 (12x 173)
Nigeria174 (Mi165)
Nigeria174aMS12 (12x 174)
PanamaC334a (BL36)
iC334a (BL37)
MS2 (C333-C334), changed colors on imperforate1965
Paraguay922 (Mi1522)
i922 (Mi1530)
Changed colors on imperforate1966
Paraguay926 (Mi1526)
i926 (Mi1534)
Changed colors on imperforate1966
Paraguay926a (BL79)
i926a (BL80)
SS1 (926), changed colors on imperforate
Poland1343 (Mi1606)1965
Poland1343a (Mi1607)1343 changed colors
Poland1344 (Mi1608)
Poland1344a (Mi1609)1344 changed colors
Poland1345 (Mi1610)
Poland1345a (Mi1611)1345 changed colors
Portugal934 (Mi966)1964
Portugal935 (Mi967)
Russia (USSR)NoneStamped envelope, stamp like 28391963
Russia (USSR)2839 (Mi2862)1964
Russia (USSR)2839 fdcStamp on FDC
Russia (USSR)2840 (Mi2863)
Russia (USSR)2841 (Mi2864)
Russia (USSR)2839-2841 fdcThree stamps and cancel on FDC
Russia (USSR)NoneCancel on stamped envelope1964IQSY symbol
Russia (USSR)None(Brown printed and red rubber-stamp) cachets on Elektron-1+2 launch cover (AA no.14)11964IQSY symbol
Satellite Beach FL (U.S.)Local19??
SwedenNone(Printed) cachet on Nike-Apache and Nike-Cajun (sub-orbital) rocket launch cover1964IQSY symbol
Togo500 (Mi446)1964
Togo501 (Mi447)
Togo502 (Mi448)
Togo503 (Mi449)
Togo504 (Mi450)
Togo505 (Mi451)
Togo505a (BL17)Imperforate MS4 (502-505)
United StatesNone(SpaceCraft/Swanson) cachet on OGO-1 launch cover1964IQSY-type sun symbol
United StatesNoneCachet on INTERPEX cover1964IQSY symbol
United StatesNoneCachet on cover1964ISQY symbol
United StatesNone(Sarzin) cachet on Explorer-30 launch cover1965IQSY acronym
United StatesNone(Rank velvet) cachet on Explorer-30 launch cover1965IQSY acronym
United StatesNoneCinderella on rocket mail cover1965IQSY symbol
United StatesNoneRocket mail cinderella SS11965IQSY symbol
Upper Volta133 (Mi152)1964
Viet Nam (North)289 (Mi296)1964
Viet Nam (North)290 (Mi297)

*Scott catalog number, unless prefixed with Mi or BL for Michel; "i" prefix denotes imperforate version.
**FDC = first day cover; SS# = souvenir sheet, MS# = miniature sheet, where # = number of stamps in sheet, and the numbers in parentheses are the catalog numbers of the stamps in the sheet.

1AA no. = Tartuski Klub Kollektsionerov (TKK) [Tartu Collector Club] "Astronautika Annaalid" number.


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Updated: 2009-04-27