Stamps of Colombia - Boyaca, 12 perf
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postage
1903 1903a issue unwmk p. 12 (10 stamps)
| - | 10c | dkgray | arms of Colombia | — | — | |
| - | 10c | bl | arms of Colombia | — | — | |
| X | 10c | org | Bolivar statue (1904) | — | — | |
| X | 20c | redbrn | arms of Colombia | — | — | |
| - | 50c | grn | Próspero Pinzón | — | — | |
| X | 50c | dlbl | Próspero Pinzón | — | — | |
| - | 1p | red | numeral | — | — | |
| - | 1p | brnred | numeral | — | — | |
| X | 5p | blk, rose | Boyaca battle monument | — | — | |
| X | 10p | blk, buff | Marroquin | — | — |
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