Stamps Category PATRIMONIO DE LA HUMANIDAD

Delos archaeological site
Mario Villena
Mycenae
Mario Villena
Meteora
Mario Villena
Acropolis of Athens
Mario Villena
Mystras
Mario Villena
Reims Cathedral (stained glass, souvenir sheet)
Mario Villena
UNESCO (The Alhambra)
Mario Villena
Loire Valley (Angers)
Mario Villena
Reims Cathedral (stained glass)
Mario Villena
Sana'a ancient city
Mario Villena