Norbert Schwontkowski, Purple Haze, 2008 Signed and dated on the reverse: Schwontkowski 2008 / Inscribed on the stretcher: NS/M 923 / With a label and stamps of the gallery Contemporary Fine Art, Berlin / With a label of the gallery Monica de Cardenas Galleria, Zuoz, Schweiz 43 1/4 × 35 3/8 in. Oil on canvas Private Collection, Germany