Louis Cesar de La Baume-le-Blanc. Dated: 1757. Dimensions: plate: 19 x 14.2 cm (7 1/2 x 5 9/16 in.) sheet: 26.9 x 19.3 cm (10 9/16 x 7 5/8 in.). Medium: etching on laid paper. Museum: National Gallery of Art, Washington DC. Author: Charles-Nicolas Co