Stamps of Papua New Guinea, 42nd A.N.Z.A.A.S. Congress, Port Moresby issue
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postage
1970, Aug 19 42nd A.N.Z.A.A.S. Congress, Port Moresby issue unwmk (no perf info)
| X | 5c | multi | Miklouho-Maclay | .20 | .20 | |
| - | 10c | multi | Malinowski | .20 | .20 | |
| - | 15c | multi | Salvadori & cassowary | |||
| - | 20c | multi | Schlechter & orchid |
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