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Courtesy Thomas Ammann Fine Art AG
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
Museum Folkwang Essen / ARTOTHEK
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Ann Arbor, University of Michigan Museum of Art
Saint Louis Art Museum, Bequest of Morton D. May 867:1983