USSR
Now showing: USSR - Postage stamps (1923 - 1991) - 1 stamps.
1981
The 50th Anniversary of Institute of Chemical Physics
12. August WM: None Sheetsize: 50 Design: I. Kozlov Perforation: 11½
![[The 50th Anniversary of Institute of Chemical Physics, type FZB]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/FZB-s.jpg)