NSVL
Praegu kuvatakse: NSVL - postmargid (1923 - 1991) - 1 margid.
1956
The 225th Anniversary of First Balloon Flight by Kryakutny
17. november WM: mitte ükski lehe suurus: 72 Disain: S. Sokolov perforatsioon: 12¼ x 12
![[The 225th Anniversary of First Balloon Flight by Kryakutny, Tüüp BFX]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/BFX-s.jpg)
