Stamps of Czechoslovakia, 9 May 1975
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postage
1975, May 9 Czechoslovak Anniversaries unwmk p. 11.25
| - | 1kc | multi | The 30th Anniversary of Czech Rising | |||
| - | 1kc | multi | The 30th Anniversary of Liberation by So | |||
| - | 1kc | multi | The 5th Anniversary of Czech-Soviet Treaty |
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