Belgium 1966 75th Anniversary of Papal Encyclical (Rerum Novarum) set of 3 unmounted mint, SG 1959-61
Belgium 1966 75th Anniversary of Papal Encyclical (Rerum Novarum) set of 3 unmounted mint, SG 1959-61
Belgium 1966 75th Anniversary of Papal Encyclical (Rerum Novarum) set of 3 unmounted mint, SG 1959-61