SHK / Hamburger Kunsthalle. Foto : Elke Walford
Ahlen, Kaldewei Kulturstiftung. Foto: Oleg Kuchar, Ulm
Nationalgalerie, SMB / Jörg P. Anders
Saint Louis Art Museum, Gift of George and Edith Rickey 187:1993
Photograph Courtesy of Sotheby's, Inc. © 2019