Meeting of the International Stomathological Association, Varna 1968
Viser nu Bulgarien - Post frimærker - 1968 - Meeting of the International Stomathological Association, Varna - 1 frimærker.
1968
Meeting of the International Stomathological Association, Varna
17. september VM: Ingen Perforeringer: 10¾
![[Meeting of the International Stomathological Association, Varna, type BJN]](https://www.stampworld.com/media/catalogue/Bulgaria/Postage-stamps/BJN-s.jpg)
