Stamps of Middle Congo, 1fr denom
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postage
1907 1907 issue (no wmk info) (no perf info)
| - | 1fr | grn & vio | coconut grove |
1924 1924 issue ovpted
| X | 1fr | grn & vio | ovpt, coconut grove |
1933 1933 issue
| X | 1fr | red | Pasteur Institute |
postage due
1928 1928 due issue ovpted on stamp of France
| X | 1fr | on type=postage due-1fr (6) |
1930 1930 due issue
| X | 1fr | steamer on river |
1933
| - | 1fr | rubber trees & river |
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