Ketterer Kunst GmbH & Co. KG, München
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
akg-images 583036