Berlin
Viser nu Berlin - Post frimærker (1948 - 1990) - 1 frimærker.
1971
The 150th Anniversary of Herman von Helmholtz' Birth - Scientist
27. august VM: Ingen Perforeringer: 14
![[The 150th Anniversary of Herman von Helmholtz' Birth - Scientist, type KG]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Berlin/Postage-stamps/KG-s.jpg)
