Sol LeWitt, Untitled, 1971
Etching, plate 186×186 mm, sheet 368×368 mm, from a portfolio of ten etchings, Squares with a Different Line Direction in Each Half Square, 1971; published by Parasol Press, New York and Wadsworth Atheneum, Hartford, CT and printed by Crown Point Press, Oakland, CA, edition of 25 (New York, Museum of Modern Art); © 2007 Sol LeWitt/Artists Rights Society (ARS), New York, courtesy of The Museum of Modern Art, New York
