Homage to the Square: Edition Keller 1a

Image size: 13 13/16 x 13 13/16 inches (35.1 x 35.1 cm)
Paper size: 21 11/16 x 21 11/16 inches (55.1 x 55.1 cm)
Edition of 125
Signed and dated “A ’70” lower right, marked “EK Ia” and numbered lower left
(Inventory #27175)