Keywords: Sofonisba Anguissola Joanna of Portugal.jpg Archduchess Joanna of Austria 1535 “1573 regent of Spain for her brother King Philip II of Spain holding a medallion of her father Charles V Holy Roman Emperor Juana de Austria o Habsburgo 1535-1573 ; archiduquesa de Austria e infanta de España object history exhibition history credit line http //www dorotheum com/en/dorotheum/press/press-archive/presse-detail/archive//weltrekord-fuer-renaissance-malerin-sofonisba-anguissola-bei-der-altmeister-auktion-im-dorotheum html Dorotheum Auctions accession number PD-Art-100 Female portraits by Sofonisba Anguissola Joanna of Austria Princess of Portugal |