Bulgaria
Now showing: Bulgaria - Postage stamps (1879 - 2024) - 1 stamps.
1963
Airmail - The Joint Flight of Soviet Spaceships "Vostok 5" and "Vostok 6"
26. August WM: None Sheetsize: 25 Perforation: 11½
![[Airmail - The Joint Flight of Soviet Spaceships "Vostok 5" and "Vostok 6", type ASQ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/ASQ-s.jpg)
![[Airmail - The Joint Flight of Soviet Spaceships "Vostok 5" and "Vostok 6", type ASR]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/ASR-s.jpg)
![[Airmail - The Joint Flight of Soviet Spaceships "Vostok 5" and "Vostok 6", type ASS]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/ASS-s.jpg)
![[Airmail - The Joint Flight of Soviet Spaceships "Vostok 5" and "Vostok 6", type AST]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/AST-s.jpg)