Czechoslovakia
Now showing: Czechoslovakia - Postage stamps (1918 - 1992) - 1 stamps.
1957
The 3rd Collective Farming Agricultural Congress, Prague
22. March WM: None Design: F. Hudeček Engraving: J. Mráček Perforation: 11¼ x 11¾
![[The 3rd Collective Farming Agricultural Congress, Prague, type QM]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/QM-s.jpg)
