Bulgaaria
Praegu kuvatakse: Bulgaaria - postmargid (1879 - 2024) - 1 margid.
1978
Building a Gas line from Orenburg to West Soviet Union Border
3. oktoober WM: mitte ükski perforatsioon: 13
![[Building a Gas line from Orenburg to West Soviet Union Border, Tüüp CRM]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/CRM-s.jpg)
