NSVL
Praegu kuvatakse: NSVL - postmargid (1923 - 1991) - 1 margid.
1940
Polar Driftage of Soviet Icebreaker, Sedov
1. aprill WM: mitte ükski lehe suurus: 100 Disain: I. Dubasov and S. Pomansky Gravüür: photo perforatsioon: 11¾ x 12¼
![[Polar Driftage of Soviet Icebreaker, Sedov, Tüüp MO]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/MO-s.jpg)
![[Polar Driftage of Soviet Icebreaker, Sedov, Tüüp MP]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/MP-s.jpg)
![[Polar Driftage of Soviet Icebreaker, Sedov, Tüüp MQ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/MQ-s.jpg)
![[Polar Driftage of Soviet Icebreaker, Sedov, Tüüp MR]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/MR-s.jpg)