Stamps of Costa Rica, 1950
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1950, Jan 11 UPU 75th issue unwmk (no perf info)
| - | 15c | — | — | |||
| - | 25c | bl | — | — | ||
| - | 1col | graygrn | — | — |
1950, Jul 20 War for National Liberation 2nd issue (8 stamps)
| - | 15c | red & blk | — | — | ||
| - | 20c | grn & blk | — | — | ||
| - | 25c | multi & blk | — | — | ||
| - | 35c | brn & blk | — | — | ||
| - | 55c | vio & blk | — | — | ||
| - | 75c | org & blk | — | — | ||
| - | 80c | gray & blk | Dr. C. L. Valverde | — | — | |
| - | 1col | org & blk | Dr. C. L. Valverde | — | — |
1950, Jul 27 National Agriculture and Industries Fair issue (14 stamps)
| - | 1c | yelgrn & blk | Bos taurus | — | — | |
| - | 2c | bl & blk | — | — | ||
| - | 3c | brn & blk | piña | — | — | |
| - | 5c | bl & blk | Musa sp. | — | — | |
| - | 10c | grn & blk | Bos taurus | — | — | |
| - | 30c | vio & blk | — | — | ||
| - | 45c | multi & blk | Coffea sp. | — | — | |
| - | 50c | graybl & blk | Musa sp. | — | — | |
| - | 65c | bl & blk | piña | — | — | |
| - | 80c | car & blk | Coffea sp. | — | — | |
| - | 2col | org & blk | Bos taurus | — | — | |
| - | 3col | bl & blk | — | — | ||
| - | 5col | red & blk | Musa sp. | — | — | |
| - | 10col | Coffea sp. | — | — |
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