Sovjetunionen
Visar nu: Sovjetunionen - Postfrimärken (1923 - 1991) - 1 frimärken.
1966
International Scientific Congresses
28. januari WM: Inga storlek på arket: 50 Design: V. Pimenov Perforering: 11½
![[International Scientific Congresses, Typ DCX]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/DCX-s.jpg)
![[International Scientific Congresses, Typ DCY]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/DCY-s.jpg)
![[International Scientific Congresses, Typ DCZ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/DCZ-s.jpg)
