Conference of Postal Ministers of Socialist Countries, Warsaw 1961
Now showing: Hungary - Postage stamps - 1961 - Conference of Postal Ministers of Socialist Countries, Warsaw - 3 stamps.
1961
Conference of Postal Ministers of Socialist Countries, Warsaw
19. June WM: 12 Design: Vertel József Engraving: Mélynyomat Perforation: 13½
![[Conference of Postal Ministers of Socialist Countries, Warsaw, type BIX]](https://www.stampworld.com/media/catalogue/Hungary/Postage-stamps/BIX-s.jpg)
![[Conference of Postal Ministers of Socialist Countries, Warsaw, type BIY]](https://www.stampworld.com/media/catalogue/Hungary/Postage-stamps/BIY-s.jpg)
![[Conference of Postal Ministers of Socialist Countries, Warsaw, type BIZ]](https://www.stampworld.com/media/catalogue/Hungary/Postage-stamps/BIZ-s.jpg)
