Celestial Chart (White 3), 2010-2011 oil on linen, 60 x 60 cm, Private CollectionAmerican Color Study, 2009 (based One Nr. 31, 1950, Jackson Pollock) oil on linen, 14 x 18 cm, Private CollectionAmerican Color Study, 2009 (based on White Center, 1950, Marc Rothko) oil on linen, 14 x 18 cm, Private Collection