Noiseless Blackboard Eraser

JOSEPH BEUYS (1921-1986) Noiseless Blackboard Eraser felt blackboard eraser multiple, 1974, signed in ink, numbered 318⁄550, published by Ronald Feldman Fine Arts, New York, in generally very good condition Overall: 2 x 5 x 1 in. (51 x 127 x 25 mm.)