The 150th Anniversary of the Birth of Heinrich von Stephan (Founder of U.P.U.), 1831-1897 1981
Viser nu Filippinerne - Post frimærker - 1981 - The 150th Anniversary of the Birth of Heinrich von Stephan (Founder of U.P.U.), 1831-1897 - 1 frimærker.
1981
The 150th Anniversary of the Birth of Heinrich von Stephan (Founder of U.P.U.), 1831-1897
3. februar VM: Ingen Perforeringer: 12½
![[The 150th Anniversary of the Birth of Heinrich von Stephan (Founder of U.P.U.), 1831-1897, type DZN]](https://www.stampworld.com/media/catalogue/Philippines/Postage-stamps/DZN-s.jpg)
