Bulgaria
Ora in esposizione: Bulgaria - Francobolli postali (1879 - 2024) - 1 francobolli.
1966
The Assembly of the International Federation of Democratic Youth, Sofia
6. Giugno WM: Nessuno Dentellatura: 10½
![[The Assembly of the International Federation of Democratic Youth, Sofia, Scrivi BBT]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/BBT-s.jpg)
