Stamps of Netherlands New Guinea, 4 base month
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postage
1959, Apr 10 Star Mountain Expedition issue (no wmk info) (no perf info)
| X | 55c | Papuan watching helicopter |
1960, Apr 7 World Refugee Year issue
| X | 25c | Mourning woman | ||||
| X | 30c | Mourning woman |
1961, Apr 5 council opening issue
| X | 25c | |||||
| X | 30c |
1962, Apr 28 royal wedding 25th issue
| X | 55c | Queen Juliana & Prince Bernhard |
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