NSVL
Praegu kuvatakse: NSVL - postmargid (1923 - 1991) - 1 margid.
1983
The 50th Anniversary of the Stratosphere Balloon "CCCP 1" First Flight
25. juuli WM: mitte ükski lehe suurus: 30 Disain: I. Bogachev perforatsioon: 11½ x 12
![[The 50th Anniversary of the Stratosphere Balloon "CCCP 1" First Flight, Tüüp GGK]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/GGK-s.jpg)
