Sofa. Dated: 1936. Dimensions: overall: 23.1 x 30.3 cm (9 1/8 x 11 15/16 in.) Original IAD Object: 7'x2'x1'6". Back: 2'11". Medium: watercolor, colored pencil, and graphite on paper. Museum: National Gallery of Art, Washington DC. Author: Henry Blonk