Stamps of Costa Rica, 17 May 1983
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postage
1983, May 17 World Communication Year issue (no wmk info) p. 13.5
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| - | 50c | multi | — | — | ||
| - | 10col | multi | — | — |
1983, May 17 World Communications Year issue unwmk
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| - | 50c | multi | ||||
| - | 10col | multi |
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