Airmail - The 20th Anniversary of Federation of Central American Universities - Issue of 1964 Overprinted "CONFEDERACION DE UNIVERSIDADES CENTROAMERICANAS 1948 1968" 1968
Montre maintenant: Guatemala - Timbres-Poste - 1968 - Airmail - The 20th Anniversary of Federation of Central American Universities - Issue of 1964 Overprinted "CONFEDERACION DE UNIVERSIDADES CENTROAMERICANAS 1948 1968" - 1 Timbres-poste.