Airmail - The 25th Anniversary of Roberto Quinonez National Agricultural College 1981
Now showing: El Salvador - Postage stamps - 1981 - Airmail - The 25th Anniversary of Roberto Quinonez National Agricultural College - 1 stamps.
1981
Airmail - The 25th Anniversary of Roberto Quinonez National Agricultural College
28. August WM: None Perforation: 14 x 14½
![[Airmail - The 25th Anniversary of Roberto Quinonez National Agricultural College, type SL1]](https://www.stampworld.com/media/catalogue/El-Salvador/Postage-stamps/SL1-s.jpg)