El Salvador
Visar nu: El Salvador - Postfrimärken (1867 - 2020) - 2 frimärken.
1981
The 25th Anniversary of Roberto Quinonez National Agricultural College
28. augusti WM: Inga Perforering: 14 x 14¾
1981
Airmail - The 25th Anniversary of Roberto Quinonez National Agricultural College
28. augusti WM: Inga Perforering: 14 x 14½