Denver Art Museum Collection: Gift of Rosa Kuschei, 1948.38. Photograph courtesy of the Denver Art Museum
2007 Christie's Images Limited
Sammlung Würth, Künzelsau. Foto: Volker Naumann, Schönaich
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2004 Christie's Images Limited
Courtesy Thomas Ammann Fine Art AG
Courtesy Koller Auktionen, Zürich
Sotheby's Deutschland
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Board of the Trustees of the University of Illinois on behalf of its Krannert Art Museum University of Illinois. Purchase through the Festival of Arts Purchase fund 1950-2-1
Fort Dodge, Blanden Art Museum