Sigmar Polke, &#147;Untitled,&#148; c. 1975. Gelatin silver print 7 1/16 &times; 9 7/16&#733;. The Museum of Modern Art, New York. Acquired through the generosity of Edgar Wachenheim III and Ronald S. Lauder. &copy;&#8201;2014 Estate of Sigmar Polke/ Artists Rights Society (ARS), New York / VG Bild-Kunst, Bonn.