Stamps of Rio de Oro, 1921
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postage
1921 1921 issue King Alfonso XIII unwmk (no perf info) (13 stamps)
| - | 1c | yel | King Alfonso XIII | — | — | |
| - | 2c | redbrn | King Alfonso XIII | — | — | |
| - | 5c | King Alfonso XIII | — | — | ||
| - | 10c | King Alfonso XIII | — | — | ||
| - | 15c | King Alfonso XIII | — | — | ||
| - | 20c | King Alfonso XIII | — | — | ||
| - | 25c | King Alfonso XIII | — | — | ||
| - | 30c | King Alfonso XIII | — | — | ||
| - | 40c | King Alfonso XIII | — | — | ||
| - | 50c | King Alfonso XIII | — | — | ||
| - | 1p | King Alfonso XIII | — | — | ||
| - | 4p | King Alfonso XIII | — | — | ||
| - | 10p | dkbrn | King Alfonso XIII | — | — |
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