A.R. Penck ”SPIELEN UND BAUEN” 2002 Acrylic on canvas Signed in pencil on lower left: ar. penck. Titled in black ballpoint pen on the stretcher: SPIELEN UND BAUEN. There with a label of Galerie Michael Werner, Cologne, and a stamp of Galerie Haas, Zurich 55 1/8 × 70 1/2 in. Private Collection, Switzerland