USSR
Now showing: USSR - Postage stamps (1923 - 1991) - 1 stamps.
1972
The 100th Anniversary of Popov Central Communications Museum
21. September WM: None Sheetsize: 50 Design: R. Strelnikov Perforation: 11½
![[The 100th Anniversary of Popov Central Communications Museum, type EKN]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/EKN-s.jpg)
