License, verbatimCC0
The Cleveland Museum of Art: Open Access, Creative Commons Zero (CC0). Flagged share_license_status=CC0 in the museum's own record.
Antoine Vestier (French, 1740–1824). Portrait of a Woman with a Guitar, called Louise D'Aumont, Mazarin, Duchesse d'Aumont, late 18th century. The Cleveland Museum of Art.