Stamps of Rio de Oro, 1c denom
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postage
1905, Dec unwmk (no perf info)
| - | 1c | blgrn | King Alfonso XIII | — | — |
1907 1907 issue
| - | 1c | cl | King Alfonso XIII | — | — |
1909
| - | 1c | King Alfonso XIII | — | — |
1912 1912 issue
| - | 1c | King Alfonso XIII | .20 |
1914 1914 issue
| - | 1c | King Alfonso XIII | .20–.30 | .20 |
1917 ovpted
| - | 1c | ovpt, King Alfonso XIII | — | — |
1919 1919 issue
| - | 1c | brn | King Alfonso XIII | .30–1.00 | .30–1.00 |
1920 1920 issue
| - | 1c | blgrn | King Alfonso XIII | .30–1.00 | .30–1.00 |
1921 1921 issue
| - | 1c | yel | King Alfonso XIII | — | — |
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