Czechoslovakia
Now showing: Czechoslovakia - Postage stamps (1918 - 1992) - 1 stamps.
1959
The 4th Trades Union Congress, Prague
13. May WM: None Engraving: J. Mráček Perforation: 11¾ x 11¼
![[The 4th Trades Union Congress, Prague, type VL]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/VL-s.jpg)
![[The 4th Trades Union Congress, Prague, type VM]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/VM-s.jpg)