Stamps of North Korea, 11 Feb 1963
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postage
1963, Feb 11 Progress of Technology 1963 issue unwmk p. 12.5 (9 stamps)
| - | 2ch | multi | Milling machine | .20 | ||
| - | 4ch | dkbl | Sungri-415 | .20 | ||
| - | 5ch | multi | 750 Kg Jackhammer | .20 | ||
| - | 5ch | multi | .20 | |||
| - | 10ch | multi | .20 | |||
| - | 10ch | multi | .20 | |||
| - | 40ch | multi | ||||
| - | 90ch | multi | ||||
| - | 1w | multi |
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