Stamps of Rio de Oro, 30c denom
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postage
1909 unwmk (no perf info)
| X | 30c | King Alfonso XIII | — | — |
1912 1912 issue
| - | 30c | dkvio | King Alfonso XIII | .20–.30 | .20 |
1914 1914 issue
| - | 30c | King Alfonso XIII | .20–.30 | .20 |
1917 ovpted
| - | 30c | dkvio | ovpt, King Alfonso XIII | — | — |
1919 1919 issue
| - | 30c | King Alfonso XIII | .30–1.00 | .30–1.00 |
1920 1920 issue
| - | 30c | dkbrn | King Alfonso XIII | 1.00–10. | 1.00–10. |
1921 1921 issue
| - | 30c | King Alfonso XIII | — | — |
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