Bulgaaria
Praegu kuvatakse: Bulgaaria - postmargid (1879 - 2024) - 1 margid.
1977
The 13th Congress of the Communistic Dimitrov-Youth-Association, Sofia
9. mai WM: mitte ükski perforatsioon: 13
![[The 13th Congress of the Communistic Dimitrov-Youth-Association, Sofia, Tüüp CNI]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/CNI-s.jpg)
