El Salvador
Ora in esposizione: El Salvador - Francobolli postali (1867 - 2020) - 2 francobolli.
1979
The 100th Anniversary of U.P.U. Membership
2. Aprile WM: Nessuno Dentellatura: 14
![[The 100th Anniversary of U.P.U. Membership, Scrivi QG]](https://www.stampworld.com/media/catalogue/El-Salvador/Postage-stamps/QG-s.jpg)
1979
Airmail - The 100th Anniversary of U.P.U. Membership
2. Aprile WM: Nessuno Dentellatura: 14
![[Airmail - The 100th Anniversary of U.P.U. Membership, Scrivi QG1]](https://www.stampworld.com/media/catalogue/El-Salvador/Postage-stamps/QG1-s.jpg)
