Stamps of Russia, May 1949
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postage
1949, May Popov radio discovery 54th issue unwmk p. 12
| - | 40k | pur | Popov | |||
| - | 50k | brn | demonstrating radio | |||
| - | 1r | dpgrn | Popov |
1949, May 4 Soviet Press Day issue
| - | 40k | crim | Soviet newspapers and books | |||
| - | 1r | dkvio | Men reading newspaper |
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