Study of a Burdock, 1840

Date: 1840. Dimensions: plate: 20.1 x 28.4 cm (7 15/16 x 11 3/16 in.); ; sheet: 44.5 x 31.5 cm (17 1/2 x 12 3/8 in.). Medium: drypoint and roulette, etching with drypoint. Collection: National Gallery of Art.