Softcover. First Edition. New York: The John Weber Gallery, 1974. "Incomplete Open Cubes" by Sol Lewitt. White softcover wrappers show some soiling and light wear (see photos). Otherwise in very good condition. Interior is clean of any writing or similar marks. Binding sound. RARE! Softcover. First Edition. New York: The John Weber Gallery, 1974. "Incomplete Open Cubes" by Sol Lewitt. White softcover wrappers show some soiling and light wear (see photos). Otherwise in very good condition. Interior is clean of any writing or similar marks. Binding sound. RARE! [Attributes: First Edition]