Stamps of Portuguese Guinea, 1881a issue
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postage
1881 1881a issue ovpted on stamps of Cape Verde Portuguese crown unwmk (9 stamps)
| - | 5r | blk | ovpt, Portuguese crown | |||
| - | 10r | yel | ovpt, Portuguese crown | 1,000 – 10,000 | 100 – 1,000 | |
| - | 20r | bis | ovpt, Portuguese crown | 100 – 1,000 | 100 – 1,000 | |
| - | 25r | rose | ovpt, Portuguese crown | — | — | |
| - | 40r | bl | ovpt, Portuguese crown | |||
| - | 50r | grn | ovpt, Portuguese crown | — | — | |
| - | 100r | lil | ovpt, Portuguese crown | |||
| - | 200r | org | ovpt, Portuguese crown | — | — | |
| - | 300r | brn | ovpt, Portuguese crown, p. 12.5 | — | — |
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