Stamps, 13 May 1970
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Canada
postage1970, May 13 UN 25th issue unwmk p. 11
| X | 10c | bl | ||||
| X | 15c | multi |
German Democratic Republic
1970, May 13 GDR broadcasting 25th issue (no perf info)
| X | 10pf | multi | shortwave antenna | |||
| X | 15pf | multi |
Papua New Guinea
1970, May 13 birds of paradise (1970)
| X | 5c | multi | Pteridophora alberti | |||
| - | 10c | multi | Cicinnurus regius | |||
| X | 15c | multi | Paradisaea raggiana | |||
| X | 25c | multi | Cnemophilus macgregorii |
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