The Animal Laoc?on. Dated: 1796. Dimensions: sheet: 15 3/8 x 19 7/8 in. (39 x 50.5 cm) plate: 19 7/8 x 15 3/8 in. (50.5 x 39 cm). Medium: etching on wove paper. Museum: National Gallery of Art, Washington DC. Author: JOHANN HEINRICH WILHELM TISCHBEIN