Stamps of North Korea, International Geophysical Year issue
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postage
1958, Mar 26 International Geophysical Year issue unwmk (8 stamps)
| - | 10w | blgrn | imperf | |||
| - | 20w | blgrn | p. 10 | |||
| - | 20w | blgrn | imperf | |||
| - | 20w | blgrn | Rouletted, p. 10 | |||
| - | 40w | blgrn | p. 10 | |||
| - | 40w | blgrn | imperf | |||
| - | 70w | blgrn | p. 10 | |||
| - | 70w | blgrn | imperf |
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