El Salvador
Ora in esposizione: El Salvador - Francobolli postali (1867 - 2020) - 1 francobolli.
1981
Airmail - The 150th Anniversary of the Birth of Heinrich von Stephan (Founder of U.P.U.), 1831-1897
18. Maggio WM: Nessuno Dentellatura: 14½ x 14
![[Airmail - The 150th Anniversary of the Birth of Heinrich von Stephan (Founder of U.P.U.), 1831-1897, Scrivi SH]](https://swmedia-4cd6.kxcdn.com/media/catalogue/El-Salvador/Postage-stamps/SH-s.jpg)
![[Airmail - The 150th Anniversary of the Birth of Heinrich von Stephan (Founder of U.P.U.), 1831-1897, Scrivi SH1]](https://swmedia-4cd6.kxcdn.com/media/catalogue/El-Salvador/Postage-stamps/SH1-s.jpg)
