NSVL
Praegu kuvatakse: NSVL - postmargid (1923 - 1991) - 1 margid.
1958
International Geophysical Year
29. juuli WM: mitte ükski lehe suurus: 80 Disain: E. Gundobin perforatsioon: 12 x 12¼
![[International Geophysical Year, Tüüp BNR]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/BNR-s.jpg)
![[International Geophysical Year, Tüüp BNS]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/BNS-s.jpg)
![[International Geophysical Year, Tüüp BNT]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/BNT-s.jpg)
