The 9th World Federation of Trade Unions Congress, Prague 1978
Now showing: Czechoslovakia - Postage stamps - 1978 - The 9th World Federation of Trade Unions Congress, Prague - 1 stamps.
1978
The 9th World Federation of Trade Unions Congress, Prague
16. April WM: None Design: M. Hegar Engraving: J. Herčík Perforation: 11¼ x 11½
![[The 9th World Federation of Trade Unions Congress, Prague, type BTH]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-stamps/BTH-s.jpg)
