Stamps of Nigeria, World Health Day 1992 issue
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postage
1992, Apr 3 World Health Day 1992 issue wmk. mult crown & script CA p. 14
| - | 50k | multi | heart & blood pressure gauge | — | — | |
| - | 1n | multi | globe & blood pressure gauge | — | — | |
| - | 1.50n | multi | — | — | ||
| - | 2n | multi | Cross-section of heart | — | — |
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