Czechoslovakia
Now showing: Czechoslovakia - Postage stamps (1918 - 1992) - 1 stamps.
1987
The 11th Trades Union Congress, Prague
7. duben WM: Žádný Design: V. Hájek Engraving: M. Ondráček Perforation: 11½ x 11¼
![[The 11th Trades Union Congress, Prague, type CLM]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/CLM-s.jpg)
