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International Geophysical
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International Geophysical
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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).
| Country | Catalog Number* | Type of Item** | Year of Issue | Notes on Content |
|---|---|---|---|---|
| Argentina | 677 (Mi684) | 1958 | ||
| Argentina | 677 fdc1 | Stamp on FDC | ||
| Argentina | 677 fdc2 | Stamp and cancel and cachet on FDC | ||
| Argentina | 677 fdc3 | Stamp and cancel (same) and cachet (different) on FDC | ||
| Argentina | 677 fdc4 | Stamp and cachet on FDC | ||
| Argentina | 677 folder | FDC folder with block of 4 (4x 677) | ||
| Argentina | None | Cachet on cover | 1958 | |
| Argentina | 677 cov | Stamp and cachet on cover | 1959 | |
| Belgium | B605 (Mi1072) | 1957 | quasi-IGY2: Belgian Antarctic Expedition, 1957-1958 | |
| Belgium | B605a (BL25) | MS4 (4x B605b) | ||
| Belgium | B605b (Mi1073) | B605 changed colors | ||
| Belgium | B605b fdc | B605 changed colors on FDC | ||
| British Antarctic Territory | 141 (Mi144) | CDT with South Georgia 124 | 1987 | (30th anniv.) IGY |
| British Antarctic Territory | 142 (Mi145) | |||
| British Antarctic Territory | 143 (Mi146) | |||
| British Antarctic Territory | 144 (Mi147) | |||
| British Antarctic Territory | 141-144 fdc | Four stamps and cachet on FDC | ||
| Bulgaria | C76 (Mi1094a) iC76 (Mi1094b) | 1958 | ||
| Bulgaria | C76 fdc | Stamp and cachet on FDC | ||
| Canada | None | Envelope | 1957 | |
| Canada | 376 (Mi323) | 1958 | ||
| Canada | 376 fdc1 | Stamp and cachet on FDC | ||
| Canada | 376 fdc2 | Stamp and cachet (different) on FDC | ||
| Canada | 376 fdc3 | Stamp and cachet (different) on FDC | ||
| Canada | 376 fdc4 | Stamp and cachet (different) on FDC | ||
| Canada | 376 fdc5 | Stamp and cachet (different) on FDC | ||
| Canada | 376 fdc6 | Stamp and cachet (different) on FDC, also insert | ||
| Canada | None | Cachet on cover | 1958 | |
| Canada | None | Cachet on cover (different) | 1958 | |
| Canada | None | Cachet on cover | 1962 | |
| Chile | 305 (Mi545) | 1958 | ||
| Chile | C214 (Mi546) | |||
| Chile | 305+C214 fdc | Two stamps and cachet on FDC | ||
| Chile | C214 fdc | Stamp and cachet on FDC | ||
| Colombia | 680 (Mi827) | 1958 | ||
| Colombia | C309 (Mi828) | |||
| Colombia | 680+C309 fdc | Two stamps and cancel and cachet on FDC | ||
| Colombia | C310 (Mi829) | |||
| Cuba | 2132 (Mi2208) | Stamp-on-stamp: East Germany 370 (IGY) | 1977 | |
| Cuba | 2133 (Mi2209) | Stamp-on-stamp: Hungary 1216 (IGY) | ||
| Cuba | 2134 (Mi2210) | Stamp-on-stamp: North Korea 134 (IGY) | ||
| Cuba | 2135 (Mi2211) | Stamp-on-stamp: Poland 822 (IGY) | ||
| Czechoslovakia | 836 (Mi1055) | 1957 | ||
| Czechoslovakia | 837 (Mi1056) | |||
| Czechoslovakia | 838 (Mi1057) | |||
| Czechoslovakia | 836-838 fdc | Three stamps and cancel and cachet on FDC | ||
| Dominican Republic | B21 (Mi672) | 501 overprinted IGY | 1959 | |
| Dominican Republic | B22 (Mi673) | 502 overprinted IGY | ||
| Dominican Republic | B23 (Mi674) | 503 overprinted IGY | ||
| Dominican Republic | B24 (Mi675) | 504 overprinted IGY | ||
| Dominican Republic | B25 (Mi676) | 505 overprinted IGY | ||
| Dominican Republic | B25a (BL21?) | MS5 (B21-B25), 505a overprinted IGY | ||
| Dominican Republic | B21-B25 fdc | Five stamps and cachets on two FDCs | ||
| Dominican Republic | B21-B25 o/p proofs | Overprint proofs | ||
| Dominican Republic | CB13 (Mi677) | C106 overprinted IGY | 1959 | |
| Dominican Republic | CB14 (Mi678) | C107 overprinted IGY | ||
| Dominican Republic | CB15 (Mi679) | C108 overprinted IGY | ||
| Dominican Republic | CB15a (BL22) | MS3 (CB13-CB15), C108a overprinted IGY | ||
| Dominican Republic | CB13-CB15 fdc | Three stamps and cachet on FDC | ||
| Ecuador | 650 (Mi992) | 1958 | ||
| Ecuador | 650 fdc | Stamp and cancel and cachet on FDC | ||
| Ecuador | 718 (Mi1134) | 650 overprinted in red | 1964 | |
| Ecuador | C422 (Mi1135) | 650 overprinted in gold | ||
| Ecuador | C422a (Mi?) | 650 overprinted in gold/red | ||
| Ecuador | 1682 (BL?) | Imperforate SS1, stamp-on-stamp: 650 (cutout) | 2003 | |
| Falkland Islands Dependencies | None | Cancel | 1956 | |
| Finland | 373-374 fdc (Mi522-523 fdc) | Cachet on FDC | 1960 | Also IUGG5, Helsinki |
| French Southern and Antarctic Territories | 8 (Mi10) | 1957 | ||
| French Southern and Antarctic Territories | 9 (Mi11) | |||
| French Southern and Antarctic Territories | 10 (Mi12) | |||
| French Southern and Antarctic Territories | 8-10 fdc1 | Three stamps and cachet on FDC | ||
| French Southern and Antarctic Territories | 8-10 fdc2 | Three stamps and cachet (different) on FDC | ||
| French Southern and Antarctic Territories | C73 (Mi177) | One of strip of 3 (C75a (C73-C75)) (Mi177-179) | 1983 | 25th anniv. IGY |
| French Southern and Antarctic Territories | C75a fdc | Strip of 3 on FDC | ||
| French Southern and Antarctic Territories | 232 (Mi370) | One of strip of 3 (232a (230-232)) | 1997 | (40th anniv.) IGY |
| French Southern and Antarctic Territories | C149 (Mi386) | 1998 | 40th anniv. IGY | |
| French Southern and Antarctic Territories | C80 cov | Cachet on cover | 1998 | 40th anniv. IGY |
| French Southern and Antarctic Territories | 386a | From strip of 2 (386 (a-b + label)), or from MS10 (386c (5x 386 (a-b))); IGY stamp-on-stamp: 9 | 2007 | 50th anniv. IGY (IPY) |
| French Southern and Antarctic Territories | 386b | 50th anniv. IPY (IGY) historical research toward new frontiers | ||
| Germany (East) | 370 (Mi603) | 1957 | ||
| Germany (East) | 370 fdc | Four stamps and cachet on FDC | ||
| Germany (East) | 370 maxi | Maxicard | ||
| Germany (East) | 371 (Mi616) | 1958 | ||
| Germany (East) | 372 (Mi617) | |||
| Germany (East) | 371-372 fdc | Two stamps on FDC | ||
| Germany (East) | None | Cachet on cover | 1982 | 25th anniv. IGY; also 100th anniv. 1st IPY1 |
| Greenland | None | Cachet on cover | 1959 | |
| Greenland | None | Cachet on cover (different) | 1959 | quasi-IGY2 |
| Greenland | Unknown a (new issue) | One of MS3 | 2008 | 50th anniv. IGY; also IPY1 |
| Guinea Republic | Unknown ss (new issue) | In (left and lower-right) margin of SS1 | 2007 | 50th anniv. IGY |
| Guinea Republic | Unknown ss (new issue) | In (right and lower-right) margin of SS1 (different) | ||
| Guinea Republic | Unknown ss (new issue) | In (right and lower-right) margin of SS1 (different) | ||
| Guinea Republic | Unknown ms3 (new issue) | In (right) margin of MS3 | ||
| Haiti | 424 (Mi493) | 1958 | ||
| Haiti | 425 (Mi494) | |||
| Haiti | 426 (Mi495) | |||
| Haiti | 427 (Mi496) | |||
| Haiti | C119 (Mi497) | |||
| Haiti | C120 (Mi498) | |||
| Haiti | C121 (Mi499) | |||
| Haiti | 424-427+C119-C121 fdc | Seven stamps on FDC | ||
| Haiti | C121a (BL8) | On one of imperforate MS4 (427, C119-C121) | ||
| Hungary | 1212 (Mi1571) | 1959 | ||
| Hungary | 1213 (Mi1572) | |||
| Hungary | 1214 (Mi1573) | |||
| Hungary | 1215 (Mi1574) | |||
| Hungary | 1216 (Mi1575) | |||
| Hungary | 1217 (Mi1576) | |||
| Hungary | 1218 (Mi1577) | |||
| Hungary | 1212+1216-1217 fdc | Three stamps and cachet on FDC | ||
| Hungary | 1213-1215+1218 fdc | Four stamps and cachet on FDC | ||
| Hungary | 1262 (Mi1626) | like 1216, overprinted in red | 1959 | |
| Hungary | 1262 fdc | Stamp and cachet on FDC, like 1216, overprinted in red | ||
| Hungary | 1262a (Mi?) | 1262 without overprint | ||
| Hungary | 2492 (Mi3208) | Single + label, stamp-on-stamp: East Germany 370 (IGY) | 1977 | |
| Hungary | 2492a (BL?) | MS3 (3x 2492 + 3 labels) | 1977 | |
| Iceland | None | Cachet on cover | 1958 | |
| Indonesia | 460 (Mi224) | 1958 | ||
| Indonesia | 461 (Mi225) | |||
| Indonesia | 462 (Mi226 | |||
| Indonesia | 463 (Mi227) | |||
| Indonesia | 464 (Mi228) | |||
| Indonesia | 460-464 fdc1 | Five stamps and cachet on FDC | ||
| Indonesia | 460-464 fdc2 | Five stamps and cachet (different) on FDC | ||
| Japan | 637 (Mi669) | 1957 | ||
| Japan | 637 fdc1 | Stamp and cachet on FDC | ||
| Japan | 637 fdc2 | Stamp and cachet (different) on FDC | ||
| Japan | 637 cov1 | Stamp and cachet on cover | 1958 | |
| Japan | 637 cov2 | Stamp on cover | 1959 | |
| Korea (North) | 134 (Mi141) | 1958 | ||
| Korea (North) | 135 (Mi142) | |||
| Korea (North) | 136 (Mi143) | |||
| Korea (North) | 137 (Mi144) | |||
| Korea (North) | 134-137 proofs | Deluxe proofs | ||
| Korea (South) | 235+251+285 cover | Cachet on cover | 1958 | |
| Netherlands | None | Cinderella on rocket mail cover | 1959 | |
| Netherlands Antilles | 241 (Mi65) | 1957 | ||
| Netherlands Antilles | 241 fdc | Stamp and cachet on FDC | ||
| Norway | 355 (Mi411) | 1957 | ||
| Norway | 356 (Mi412) | |||
| Norway | 357 (Mi413) | |||
| Norway | 355-357 fdc | Three stamps and cachet on FDC | ||
| Norway | 356 cov | Stamp and cachet on cover | 1957 | |
| Norway | None | Cancel | 1957 | |
| Norway | 356-357 cov | Two stamps and cachet on cover | 1958 | |
| Norway | None | Cachet on cover, also back | 1958 | |
| Norway | None | Souvenir Card of 4 (101, 356, 399, and 662) | 1977 | |
| Peru | C168 (Mi599) | 1961 | ||
| Peru | C168 fdc | Stamp and cachet on FDC | ||
| Peru | C168 error | Double-impression error | ||
| Poland | 821 (Mi1061) | 1958 | ||
| Poland | 822 (Mi1062) | |||
| Poland | 821-822 fdc | Two stamps and cachet on FDC | ||
| Romania | C51a fdc | Cachet on FDC | 1957 | |
| Romania | C52a fdc | Cachet on FDC | ||
| Romania | C51a-C52a fdc | Cachet on FDC | ||
| Romania | None | Cachet on postcard | 2007 | IGY logo |
| Romania | None | Cachet on postcard (different) | 2007 | IGY logo |
| Romania | None | Cachet on postcard (different) | 2007 | IGY logo |
| Romania | None | Cachet on postcard (different) | 2007 | IGY logo |
| Romania | None | Cachet on postcard (different) | 2007 | IGY logo |
| Romania | None | Cachet on postcard (different) | 2007 | IGY logo |
| Romania | None | Cachet on postcard (different) | 2007 | IGY logo |
| Romania | None | Cachet on postcard (different) | 2007 | IGY logo |
| Romania | None | Cachet on postcard (different) | 2007 | IGY logo |
| Romania | None | Cachet on postcard (different) | 2007 | IGY logo |
| Russia (USSR) | 1957 (Mi1961) | 1957 | ||
| Russia (USSR) | 1958 (Mi1985) | 1957 | ||
| Russia (USSR) | 1959 (Mi1992) | 1957 | ||
| Russia (USSR) | None | Postcard back | 1958 | |
| Russia (USSR) | None | Postcard back, also front | 1959 | |
| Russia (USSR) | 1957-1959+ cov | Three stamps on cover | 1959 | |
| Russia (USSR) | 2083 (Mi2101) | Single + label | 1958 | IGY (in text) |
| Russia (USSR) | 2089 (Mi2105) | 1958 | ||
| Russia (USSR) | 2090 (Mi2103) | |||
| Russia (USSR) | 2091 (Mi2104) | |||
| Russia (USSR) | 2089-2091 fdc | Three stamps on FDC | ||
| Russia (USSR) | 2089 cov | Cancel and cachet on cover | 1958 | 5th Assembly CSAGI3 |
| Russia (USSR) | 2232 (Mi2259) | 1959 | ||
| Russia (USSR) | 2233 (Mi2277) | |||
| Russia (USSR) | 2234 (Mi2260) | |||
| Russia (USSR) | 2235 (Mi2261) | |||
| Russia (USSR) | None | Cancel on stamped envelope | 1963 | MGG4 |
| Russia (USSR) | None | Cancel on stamped envelope (different) | 1963 | MGG4 |
| Russia (USSR) | None | Cancel and cachet on stamped envelope | 1963 | IGY and MGG4 |
| Russia (USSR) | None | Stamped envelope | 1977 | 20th anniv. IGY |
| Russia (USSR) | None | Stamped envelope | 1982 | 25th anniv. IGY |
| St. Thomas and Prince Islands | Unknown ms9 (new issue) | MS9 | 2006 | IGY logo |
| St. Thomas and Prince Islands | Unknown fdc1 (new issue) | MS9 on FDC | ||
| St. Thomas and Prince Islands | Unknown fdc2 (new issue) | MS9 on FDC (different) | ||
| St. Thomas and Prince Islands | Unknown fdc3 (new issue) | MS9 on FDC (different) | ||
| St. Thomas and Prince Islands | Unknown fdc4 (new issue) | Cachet on FDC | ||
| St. Thomas and Prince Islands | Unknown fdc (new issue) | Cachet on FDC with (blue) cancel | 2006 | IGY logo |
| St. Thomas and Prince Islands | Unknown ifdc (new issue) | Cachet on FDC with (red) cancel | ||
| Somalia | Unknown Unknown (imperf.) | In (upper-right) margin of SS1 | 2004 | IGY logo |
| South Africa | 203 fdc | Cachet on FDC | 1958 | |
| South Africa | None | Postcard | 1958 | |
| South Africa | None | Cachet on cover | 1958 | |
| South Georgia and the South Sandwich Islands | 124 (Mi165) | CDT with British Antarctic Territory 141 | 1987 | (30th anniv.) IGY |
| South Georgia and the South Sandwich Islands | 125 (Mi166) | |||
| South Georgia and the South Sandwich Islands | 126 (Mi167) | |||
| South Georgia and the South Sandwich Islands | 124-126 fdc | Three stamps and cachet on FDC | ||
| United States | None | Cinderella on rocket mail cover (rocket #2) | 1957 | |
| United States | None | Cinderella on rocket mail cover (rocket #4) | 1957 | |
| United States | None | Cachet on cover | 1957 | |
| United States | None | Two cinderellas on rocket mail cover | 1958 | |
| United States | None | Rocket mail cinderella MS4 | 1958 | |
| United States | None | Cachet on cover | 1958 | |
| United States | None | Cachet (different color) on cover | 1958 | |
| United States | None | Cachet on cover (different) | 1958 | |
| United States | None | Cachet on back of cover | 1958 | |
| United States | 1107 (Mi727) | 1958 | ||
| United States | 1107 fdc1 | Stamp and cachet on FDC | ||
| United States | 1107 fdc2 | Stamp and cachet (different) on FDC | ||
| United States | 1107 fdc3 | Stamp and cachet (different) on FDC | ||
| United States | 1107 fdc4 | Stamp and cachet (different) on FDC | ||
| United States | 1107 fdc5 | Stamp and cachet (different) on FDC | ||
| United States | 1107 fdc6 | Stamp and cachet (different) on FDC | ||
| United States | 1107 fdc7 | Stamp and cachet (different) on FDC | ||
| United States | 1107 fdc8 | Stamp and cachet (different) on FDC | ||
| United States | 1107 fdc9 | Four stamps and cachet (different) on FDC | ||
| United States | 1107 fdc10 | Two stamps and cachet (different) on FDC | ||
| United States | 1107 fdc11 | Stamp and cachet (different) on FDC | ||
| United States | 1107 fdc12 | Stamp and cachet (different) on FDC | ||
| United States | 1107 fdc13 | Stamp and cachet (different) on FDC | ||
| United States | 1107 fdc14 | Stamp and cachet (different) on FDC | ||
| United States | 1107 fdc15 | Stamp and cachet (different) on FDC | ||
| United States | 1107 fdc16 | Stamp and cachet (different) on FDC | ||
| United States | 1107 fdc17 | Stamp and cachet (different) on FDC | ||
| United States | 1107 fdc18 | Stamp and cachet (different) on FDC | ||
| United States | 1107 fdc19 | Stamp and cachet (different) on FDC | ||
| United States | 1107 fdc20 | Stamp and cachet (different) on FDC | ||
| United States | 1107 fdc21 | Stamp and cachet (different) on FDC | ||
| United States | 1107 fdc22 | Stamp and cachet (different) on FDC | ||
| United States | 1107 fdc23 | Stamp and cachet (different) on FDC | ||
| United States | 1107 fdc24 | Stamp and cachet (different) on FDC | ||
| United States | 1107 folder1 | FDC folder | ||
| United States | 1107 folder2 | FDC folder, also back | ||
| United States | 1107 maxi | Maxicard | ||
| United States | 1107 fdc + 4123a-b fdc | Dual-date FDC | 1958 and 2007 | IGY and IPY1 logos |
| United States | None | (Epps/Fleetwood) cachet on Explorer-3 launch cover | 1958 | IGY logo |
| United States | None | (Handwritten) cachet on Vanguard-SLV1 launch cover | 1958 | "U.S. National Committee for IGY" |
| United States | None | (?) cachet on Vanguard-1 launch cover | 1958 | "IGY" |
| United States | None | (Sarzin) cachet on Vanguard-3 launch cover | 1959 | "IGY" |
| United States | 1107 cov1 | Stamp and cachet on cover | 1959 | 1st anniv. IGY |
| United States | 1107 cov2 | Stamp and two cachets on cover | 1959 | |
| United States | None | Cachet on cover | 1964 | IGY |
| United States | None | Cachet on cover | 1977 | 20th anniv. IGY |
| United States | None | Cachet on cover | 1978 | 20th anniv. IGY |
| United States | SC109 | Souvenir Card of 2 (1107, Italy 830) | 1985 | |
| United States | None | Cachet on cover | 2007 | (50th anniv.) IGY |
| United States | None | Stamp and cachet on cover | 2007 | 50th anniv. IGY/IPY |
| Yugoslavia | 525 (Mi868) | 1958 | ||
| Yugoslavia | C58 (Mi869) |
*Scott catalog number, unless prefixed with Mi or BL for Michel; "i" prefix denotes imperforate version.
**CDT = common design type; 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.
1IPY = International Polar Year
2Quasi-IGY items imply, but do not specifically mention, IGY.
3CSAGI = Comité spécial de l'Année géophysique internationale (committee that coordinated IGY activities)
4MGG = Mezhdunarodnovo Geofisicheskovo Goda ("Research Geophysics Year", IGY Conference in Moscow)
5IUGG = International Union of Geodesy and Geophysics
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