Stamps of Papua New Guinea, 6 Mar 1991
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postage
1991, Mar 6 snail shells unwmk (no perf info)
| - | 21t | multi | Rhynchotrochus weigmani | |||
| - | 40t | multi | Canefriula azonata, Forcartia globula | |||
| - | 50t | multi | Planispira deaniana | |||
| - | 80t | multi | Papuina xanthocheila, Papuina chancei |
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