Archiv Eigentümer(in) / Owner's archive
Courtesy Thomas Ammann Fine Art AG
2020 Christie's Images Limited
akg-images 255089
Courtesy Galerie Thomas, München
akg-images 228109
akg-images 255048
Courtesy Villa Grisebach, Berlin
Courtesy Koller Auktionen, Zürich
akg-images 212824
akg-images 255323
Courtesy Hauser & Wirth Collection Services