The 11th Trades Union Congress, Prague 1987
Now showing: Czechoslovakia - Postage stamps - 1987 - The 11th Trades Union Congress, Prague - 1 stamps.
1987
The 11th Trades Union Congress, Prague
7. April WM: None Design: V. Hájek Engraving: M. Ondráček Perforation: 11½ x 11¼
![[The 11th Trades Union Congress, Prague, type CLM]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-stamps/CLM-s.jpg)
