El Salvador
Viser nu El Salvador - Post frimærker (1867 - 2020) - 2 frimærker.
1981
The 25th Anniversary of Roberto Quinonez National Agricultural College
28. august VM: Ingen Perforeringer: 14 x 14¾
![[The 25th Anniversary of Roberto Quinonez National Agricultural College, type 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. august VM: Ingen Perforeringer: 14 x 14½
![[Airmail - The 25th Anniversary of Roberto Quinonez National Agricultural College, type SL1]](https://swmedia-4cd6.kxcdn.com/media/catalogue/El-Salvador/Postage-stamps/SL1-s.jpg)
