El Salvador
Ora in esposizione: El Salvador - Francobolli postali (1867 - 2020) - 2 francobolli.
1981
The 25th Anniversary of Roberto Quinonez National Agricultural College
28. Agosto WM: Nessuno Dentellatura: 14 x 14¾
![[The 25th Anniversary of Roberto Quinonez National Agricultural College, Scrivi SL]](https://swmedia-4cd6.kxcdn.com/media/catalogue/El-Salvador/Postage-stamps/SL-s.jpg)
1981
Airmail - The 25th Anniversary of Roberto Quinonez National Agricultural College
28. Agosto WM: Nessuno Dentellatura: 14 x 14½
![[Airmail - The 25th Anniversary of Roberto Quinonez National Agricultural College, Scrivi SL1]](https://swmedia-4cd6.kxcdn.com/media/catalogue/El-Salvador/Postage-stamps/SL1-s.jpg)
