Stamps of Costa Rica, 2.20col denom
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1975, Aug 14 6th National Philatelic Exhibition issue unwmk p. 12.5
| - | 2.20col | blk & org | ||||
| - | 2.20col | blk & grn | ||||
| - | 2.20col | blk & car | ||||
| - | 2.20col | blk & dkbl |
1976, Dec 24 200th Anniversary of American Revolution issue p. 10.75
| - | 2.20col | multi |
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