Portrait of a noble woman, probably the Duchess Sophie Friederike of Mecklenburg-Schwerin, wearing a pink dress and holding a letter in her right hand, Georg David Matthieu

Date: 18th century. Dimensions: height: 86.5 cm (34 in); width: 70 cm (27.5 in). Medium: oil on canvas. Collection: Unidentified location. Attributed to Matthieu - Portrait of a noble woman, probably the Duchess Sophie Friederike of Mecklenburg-Schwerin