Stamps of Portuguese Congo, issuer=Portuguese Congo-1902-50r-ovpt=PROVISORIO on-desc-id
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postage
1914 1914b issue ovpted (no wmk info) (no perf info)
| - | 50r | bl | ovpt, King Carlos | — | — |
1914 1914c issue ovpted
| - | 50r | bl | ovpt, King Carlos | — | — |
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