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postage
1922 1922 issue ovpted on stamp of Middle Congo (no wmk info) (no perf info)
| - | 30c | rose & ver | ovpt |
1924 1924 issue ovpted
| X | 30c | rose & ver | ovpt | |||
| X | 30c | gray & bl | on 1922-30c-gray&bl-unissued (0) (1925) | |||
| - | 30c | dkgrn & grn | on 1922-30c-dkgrn&grn-unissued (0) (1927) |
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