Bulgaaria
Praegu kuvatakse: Bulgaaria - postmargid (1879 - 2024) - 1 margid.
1951
The 3rd General Congress of the Working People (ORPS)
29. detsember WM: mitte ükski perforatsioon: 11½ x 10¾
![[The 3rd General Congress of the Working People (ORPS), Tüüp VZ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/VZ-s.jpg)
![[The 3rd General Congress of the Working People (ORPS), Tüüp WA]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/WA-s.jpg)
