The 4th European Cardiological Congress, Prague 1964
Now showing: Czechoslovakia - Postage stamps - 1964 - The 4th European Cardiological Congress, Prague - 1 stamps.
1964
The 4th European Cardiological Congress, Prague
10. July WM: None Design: Istler J. Engraving: Mráček Jan Perforation: 11½
![[The 4th European Cardiological Congress, Prague, type AIS]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-stamps/AIS-s.jpg)
