© Staatsgalerie Stuttgart
2007 Christie's Images Limited
Archiv Eigentümer(in) / Owner's archive
Archiv Eigentümer(in) / Owner's archive. Foto: Maurice Aeschimann
Courtesy Thomas Ammann Fine Art AG
akg-images 255092
akg-images 5010389
Courtesy Hauser & Wirth Collection Services
Berlin / Köln, Archiv Mayen Beckmann. Foto: Fotostudio Bartsch, Berlin