M. David Hume. Dated: 1764. Dimensions: plate: 19.4 x 14.5 cm (7 5/8 x 5 11/16 in.) sheet: 23.1 x 17.4 cm (9 1/8 x 6 7/8 in.). Medium: engraving on laid paper [second state]. Museum: National Gallery of Art, Washington DC. Author: Simon Charles Miger