Study for Gray Sphere Represented by Two Vertical Discs (At Right Angles)

Alexander Calder (1898-1976) Study for Gray Sphere Represented by Two Vertical Discs (At Right Angles) titled 'Gray Sphere represented by two vertical discs (at right angles)' (lower left) ink on printed paper 8½ x 11 in. (21.6 x 27.9 cm.) Drawn in 1934.