The 9th International Architects' Union Congress, Prague 1967
Now showing: Czechoslovakia - Postage stamps - 1967 - The 9th International Architects' Union Congress, Prague - 1 stamps.
1967
The 9th International Architects' Union Congress, Prague
10. June WM: None Design: J. Liesler Engraving: J. Schmidt Perforation: 11¼ x 11¾
![[The 9th International Architects' Union Congress, Prague, type ARS]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-stamps/ARS-s.jpg)
