DDR
Now showing: DDR - Postage stamps (1949 - 1990) - 1 stamps.
1973
The 500th Anniversary of the Birth of Nicolaus Copernicus
13. February WM: None Perforation: 13½
![[The 500th Anniversary of the Birth of Nicolaus Copernicus, type BCQ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/DDR/Postage-stamps/BCQ-s.jpg)