USSR
Viser nå: USSR - Postfrimerker (1923 - 1991) - 1 frimerker.
1949
The 100th Anniversary of the Birth of I.P.Pavlov
30. September VM: Ingen Arkstørrelse: 100 Design: V. Klimashin Perforering: 12¼
![[The 100th Anniversary of the Birth of I.P.Pavlov, type ALX]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/ALX-s.jpg)
![[The 100th Anniversary of the Birth of I.P.Pavlov, type ALY]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/ALY-s.jpg)
