Daughters of Sir Thomas Frankland Bart (The Sisters). Dated: 1797. Dimensions: plate: 58 x 45.2 cm (22 13/16 x 17 13/16 in.) sheet: 61.2 x 58.4 cm (24 1/8 x 23 in.). Medium: mezzotint on laid paper. Museum: National Gallery of Art, Washington DC. Aut