Czechoslovakia
Now showing: Czechoslovakia - Postage stamps (1918 - 1992) - 1 stamps.
1978
The 20th International Engineering Fair, Brno
13. September WM: None Design: F. Hudeček Engraving: L. Jirka Perforation: 11½ x 11¼
![[The 20th International Engineering Fair, Brno, type BUN]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/BUN-s.jpg)