Stamps of Nigeria, 31 base day
1 to 18 of 18
postage
1978, Aug 31 Global Eradication of Smallpox issue wmk. mult crown & script CA p. 14
| X | 5k | multi | mother & child | — | — | |
| X | 12k | multi | Sick boy at health station | — | — | |
| X | 18k | multi | vaccination of children | — | — | |
| X | 30k | multi | Syringe | — | — |
1987, Mar 31 seashells (1987)
| - | 10k | multi | Egeria radiata | .20 | ||
| - | 20k | multi | Typanotomus fuscatus | — | — | |
| - | 25k | multi | Anadara senilis | — | — | |
| - | 30k | multi | Crassostrea gasar | — | — |
1999, Mar 31 11th World Youth Football Championship issue (no perf info) (6 stamps)
| - | 5n | multi | — | — | ||
| - | 10n | multi | — | — | ||
| - | 20n | multi | — | — | ||
| - | 30n | multi | — | — | ||
| - | 40n | multi | — | — | ||
| - | 50n | multi | — | — |
2012, Jan 31 PHILA AFRICA 2012 issue unwmk
| - | 50n | multi | — | — |
2012, Jan 31 100th Anniversary of Enugu State University issue (no wmk info)
| - | 50n | multi | — | — |
2012, Jan 31 2012 issue
| - | 20n | multi | — | — | ||
| - | 30n | multi | — | — |
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