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postage
1904 Navigation & Commerce issue unwmk p. 14x13.5
| - | 40c | red, straw |
1910 1910 Congo issue p. 13.5x14
| - | 40c | Libreville CF |
1910 1910 Equatorial Africa issue
| X | 40c | brn & ultra | Libreville AE |
1924 1924 issue ovpted
| X | 40c | brn & ultra | ovpt, Libreville AE |
1931 Colonial Exposition issue p. 12.5
| X | 40c | dpgrn | people of French Empire |
1932 1932 issue (no perf info)
| X | 40c | pur | de Brazza |
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