Airmail - The 20th Anniversary of the Earth Satellite 1977
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1977
Airmail - The 20th Anniversary of the Earth Satellite
14. oktober WM: Geen Perforatie: 13½ x 13
![[Airmail - The 20th Anniversary of the Earth Satellite, type COH]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/COH-s.jpg)
![[Airmail - The 20th Anniversary of the Earth Satellite, type COI]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/COI-s.jpg)
![[Airmail - The 20th Anniversary of the Earth Satellite, type COJ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/COJ-s.jpg)
