Bulgarie
Montre maintenant: Bulgarie - Timbres-Poste (1879 - 2024) - 1 Timbres-poste.
1977
Airmail - The 20th Anniversary of the Space Era (1957-1977)
14. octobre WM: Aucun Perforation: 13½ x 13
![[Airmail - The 20th Anniversary of the Space Era (1957-1977), type COH]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/COH-s.jpg)
![[Airmail - The 20th Anniversary of the Space Era (1957-1977), type COI]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/COI-s.jpg)
![[Airmail - The 20th Anniversary of the Space Era (1957-1977), type COJ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/COJ-s.jpg)