The 75th Anniversary of 1st Czech Social Democratic Party Congress 1953
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1953
The 75th Anniversary of 1st Czech Social Democratic Party Congress
7. april VM: Ingen Arkstørrelse: 100 Design: J. Kaiser, J. Koukolský Gravering: B. Housa Perforeringer: 11½
![[The 75th Anniversary of 1st Czech Social Democratic Party Congress, type II]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-stamps/II-s.jpg)
