Bulgaaria
Praegu kuvatakse: Bulgaaria - postmargid (1879 - 2024) - 1 margid.
1977
Airmail - The 20th Anniversary of the Earth Satellite
14. oktoober WM: mitte ükski perforatsioon: 13½ x 13
![[Airmail - The 20th Anniversary of the Earth Satellite, Tüüp COH]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/COH-s.jpg)
![[Airmail - The 20th Anniversary of the Earth Satellite, Tüüp COI]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/COI-s.jpg)
![[Airmail - The 20th Anniversary of the Earth Satellite, Tüüp COJ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/COJ-s.jpg)
