Stuttgart, Nagel Auktionen

New York, Museum of Modern Art (MoMA), Curt Valentin Bequest, 328.1955© 2018. Digital image, The Museum of Modern Art, New York / Scala, Florence

New York, Museum of Modern Art (MoMA), Given anonymously (by exchange), 6.1942.a-c.© 2018. Digital image, The Museum of Modern Art, New York / Scala, Florence

2004 Christie's Images Limited

Privatsammlung in der Hamburger Kunsthalle. Foto: Elke Walford

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Richmond, Virginia Museum of Fine Arts. Foto: David Stover