Bulgaria
Ora in esposizione: Bulgaria - Francobolli postali (1879 - 2024) - 1 francobolli.
1978
The First Anniversary of the Bulgarian-Soviet Friendship Treaty
18. Marzo WM: Nessuno Dentellatura: 13
![[The First Anniversary of the Bulgarian-Soviet Friendship Treaty, Scrivi CPF]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/CPF-s.jpg)