akg-images 583024

Courtesy Galerie Thomas, München

Courtesy Metropolitan Museum, New York (Sabine Rewald)

akg-images 583036

bpk / Los Angeles County Museum of Art / Art Resource, NY

Columbus Museum of Art

2018 Christie's Images Limited

Courtesy Metropolitan Museum, New York (Sabine Rewald)

Collection Albright-Knox Art Gallery, Buffalo, New York. Room of Contemporary Art Fund, 1950 (RCA1950:1). Foto: Tom Loonan

Courtesy Galerie Thomas, München