Stamps of French Guiana, 4 base month
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postage
1887, Apr 23 ovpted on stamps of French Colonies unwmk imperf
| - | 5c on 2c | grn | Peace & Commerce, v. I | — | — | |
| - | 20c on 35c | vioblk, org | Peace & Commerce, v. II | — | — |
1887, Apr 23 ovpted on stamp of French Colonies
| X | 25c on 30c | brn | Ceres | — | — |
1937, Apr 15 Paris International Exposition issue (no perf info) (6 stamps)
| X | 20c | vio | colonial products & ship & car & plane | — | — | |
| X | 30c | dkgrn | sailing ships & palms | — | — | |
| X | 40c | red | colonial peoples & exposition buildings | — | — | |
| X | 50c | dkbrn | France & colonies | — | — | |
| X | 90c | red | riches of the colonies | — | — | |
| X | 1.50fr | dkbl | colonial cultures | — | — |
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