NSVL
Praegu kuvatakse: NSVL - postmargid (1923 - 1991) - 1 margid.
1981
Soviet-Mongolian Space Flight
23. märts WM: mitte ükski lehe suurus: 25 Disain: Yury Levinovsky perforatsioon: 12¼ x 11¾
![[Soviet-Mongolian Space Flight, Tüüp FXD]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/FXD-s.jpg)
![[Soviet-Mongolian Space Flight, Tüüp FXE]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/FXE-s.jpg)
![[Soviet-Mongolian Space Flight, Tüüp FXF]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/FXF-s.jpg)
