Josef Albers
Plate X, from Day + Night: Homage to the Square, 1963
lithograph in colors, on Rives BFK paper
Image: 15 3 鈦 4 x 15 3 鈦 4 in. (400 x 400 mm.)
Sheet: 19 x 20 3 鈦 8 in. (481 x 519 mm.)
Signed, 5/20 (there were also three artist's proofs)