NSVL
Praegu kuvatakse: NSVL - postmargid (1923 - 1991) - 1 margid.
1961
The 40th Anniversary of Soviet Hydro-meteorological Service
21. juuni WM: mitte ükski lehe suurus: 25 Disain: N. Kruglov perforatsioon: 12 x 12¼
![[The 40th Anniversary of Soviet Hydro-meteorological Service, Tüüp CCY]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/CCY-s.jpg)
