NSVL
Praegu kuvatakse: NSVL - postmargid (1923 - 1991) - 1 margid.
1982
The 10th Anniversary of Environment Programme of the United Nations
10. mai WM: mitte ükski lehe suurus: 50 Disain: N. Litvinov perforatsioon: 11½
![[The 10th Anniversary of Environment Programme of the United Nations, Tüüp GBT]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/GBT-s.jpg)
