Gainsborough Dupont (British, 1754-1797), "Lady at the Glass Harmonica," oil on canvas, unsigned, canvas: 30"h x 25"w, overall (with frame): 37.5"h x 32.75"w. Note: The sitter is Ann Ford who later became Mrs. Philip Thicknesse in 1762. Ms. Ford was a friend of artist, Thomas Gainsborough (Dupont's uncle). This lot is accompanied by a copy of an email from composer and glass instruments expert, Jean Claude Chapuis, confirming this information.