Stamps, 1952 airmail issue
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Costa Rica
airmail1952 1952 airmail issue unwmk
| X | 5c | bl | p. 12 | |||
| X | 10c | grn | p. 12 | |||
| X | 15c | carrose | — | — | ||
| X | 35c | pur | p. 12 |
Iceland
1952, May 2 1952 airmail issue p. 13.5x14
| - | 1.80k | slbl | plane over Snaefellsjokull volcano | |||
| X | 2.50k | grn | plane over Eiriksjokull | |||
| X | 3.30k | ultra | plane over Oraefejokull |
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