all stamps : Stamps for sale - DDR
Now showing: DDR - Postage stamps (1949 - 1990) - 2 stamps.
1968
The 75th Anniversary of Potsdam Observatory
24. January WM: None Perforation: 13½ x 13
![[The 75th Anniversary of Potsdam Observatory, type ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/DDR/Postage-stamps/1083-b.jpg)
1968
The 75th Anniversary of Potsdam Observatory
24. January WM: None Perforation: 13½ x 13
![[The 75th Anniversary of Potsdam Observatory, type ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/DDR/Postage-stamps/1083-b.jpg)