Bulgaaria
Praegu kuvatakse: Bulgaaria - postmargid (1879 - 2024) - 1 margid.
1978
The National Conference of the Communist Party, Sofia
18. aprill WM: mitte ükski perforatsioon: 13
![[The National Conference of the Communist Party, Sofia, Tüüp CPW]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/CPW-s.jpg)
