Stamps of North Korea, Space Day in the Soviet Union issue
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postage
1974, Jul 10 Space Day in the Soviet Union issue unwmk (5 stamps)
| - | 10ch | multi | Electron 1 and Electron 2 over Earth, p. 11 | .20 | .20 | |
| - | 20ch | multi | Proton 1, p. 11 | .20 | .20 | |
| - | 30ch | multi | Venus 3, p. 11 | .20 | ||
| - | 40ch | multi | Venus, Venus 5, and Venus 6, p. 11 | .20 | ||
| - | 1w | multi | p. Printed | — | — |
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