Bulgaaria
Praegu kuvatakse: Bulgaaria - postmargid (1879 - 2024) - 1 margid.
1978
The 90th Anniversary of the "Kliment Ohridski" University
8. detsember WM: mitte ükski perforatsioon: 13
![[The 90th Anniversary of the "Kliment Ohridski" University, Tüüp CSK]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/CSK-s.jpg)
