akg-images 264099
Courtesy Galerie Thomas, München
Archiv Eigentümer(in) / Owner’s Archive. Foto: Peter Schälchli, Zürich
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
