The 200th Anniversary of the Birth of Friedrich Gauss 1977
Zobrazujú sa: DDR - Poštové známky - 1977 - The 200th Anniversary of the Birth of Friedrich Gauss - 1 známky.
Zobrazujú sa: DDR - Poštové známky - 1977 - The 200th Anniversary of the Birth of Friedrich Gauss - 1 známky.
![[The 200th Anniversary of the Birth of Friedrich Gauss, typ BRH]](https://www.stampworld.com/media/catalogue/DDR/Postage-stamps/BRH-s.jpg)
