Eva Hesse, No title, 1963-1964. Collage, gouache, watercolor, and black ink on paper, 22 x 30 inches. Private collection.

Lucas Samaras (b. 1936), 4/12/74 (Double Self), 1974. SX-70 Polaroid, 3 x 3 inches, image, 4 1/4 x 3 1/2 inches, sheet.