Sigmar PolkeUntitled (Karin)1970 Copyright Sies + Höke, Düsseldorf; Sigmar Polke; © VG Bild-Kunst, Bonn 2020; © The Estate of Sigmar Polke; Photo Achim Kukulies, Düsseldorf Gelatin silver print 17 x 12,2 cm 46 x 40 x 2 cm Unique