The 500th Anniversary of the Birth of Nicolaus Copernicus 1973
Montre maintenant: Bulgarie - Timbres-Poste - 1973 - The 500th Anniversary of the Birth of Nicolaus Copernicus - 1 Timbres-poste.
Montre maintenant: Bulgarie - Timbres-Poste - 1973 - The 500th Anniversary of the Birth of Nicolaus Copernicus - 1 Timbres-poste.