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postage
1982, Jun 10 10th Anniversary of U.N. Conference on Human Environment issue wmk. mult crown & script CA p. 14.25
| X | 20k | multi | — | — | ||
| X | 30k | multi | — | — |
1982, Sep 15 Nigerian butterflies
| - | 10k | multi | Salamis parhassus | — | — | |
| - | 20k | multi | Papilio zalmoxis | — | — | |
| - | 30k | multi | Cymothoe beckeri | — | — | |
| - | 40k | multi | Papilio hesperus | — | — |
1988, Oct 28 25th Anniversary of Nigerian Security Printing and Minting Co. Ltd. issue
| - | 10k | multi | — | — | ||
| - | 20k | multi | — | — | ||
| - | 25k | multi | — | — | ||
| - | 30k | multi | — | — |
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