Ellsworth Kelly (American, 1923-2015). Color lithograph on paper titled “Orange Green,” 1964-1965, depicting a rectangle of green over a soft rectangle of vibrant orange. Pencil signed along the lower right. Numbered 598/75 along the lower left. With original Mazelow Gallery label. Provenance: Mazelow Gallery, Toronto, Canada; Private collection, Minnesota. Height: 35 1/4 in x width: 23 1/2 in.