DDR
Viser nu DDR - Post frimærker (1949 - 1990) - 1 frimærker.
1977
The 200th Anniversary of the Birth of Friedrich Gauss
19. april VM: Ingen Perforeringer: 13 x 12½
![[The 200th Anniversary of the Birth of Friedrich Gauss, type BRH]](https://swmedia-4cd6.kxcdn.com/media/catalogue/DDR/Postage-stamps/BRH-s.jpg)
