Bidspirit auction | Portrait of a Queen (Ludovica

Portrait of a Queen (Ludovica Maria Gonzaga?), anonymous 17th century engraver - Etching, 165 x 113 mm (plate), 215 x 175 mm (sheet). Fine impression on laid paper with a large watermark. Margins preserved. Browning in the lower part of the sheet, but otherwise in very good condition.