Lines in Four Directions, Superimposed in each quarter of the square progressively (Black)

SOL LEWITT (1928-2007) Lines in Four Directions, Superimposed in each quarter of the square progressively (Black) etching, on Rives BFK paper, 1971, signed in pencil (on the left edge of the sheet, Krakow says the edition should be signed on the lower right), numbered 5/20, published by Parasol Press, Ltd., New York Image: 6 ¾ x 6 7/8 in. (172 x 175 mm.) Sheet: 11 x 11 in. (280 x 280 mm.)