Stamps of Nigeria, seashells (1987) design type
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postage
1987, Mar 31 seashells (1987) wmk. mult crown & script CA p. 14
| - | 10k | multi | Egeria radiata | .20 | ||
| - | 20k | multi | Typanotomus fuscatus | — | — | |
| - | 25k | multi | Anadara senilis | — | — | |
| - | 30k | multi | Crassostrea gasar | — | — |
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