2007 Christie's Images Limited
akg-images 6388446
New York, Richard L. Feigen
New York, Richard L. Feigen
Saint Louis Art Museum, Bequest of Morton D. May 846:1983
2016 Christie's Images Limited
Courtesy Galerie Thomas, München
2020 Christie's Images Limited
Courtesy Galerie Thomas, München
Archiv Eigentümer(in) / Owner’s Archive. Foto: Peter Schälchli, Zürich
2018 Christie's Images Limited
Berlin / Köln, Archiv Mayen Beckmann. Foto: Utz Kaspar