Please note the ammended provenance for this lot:
Richard Feigen Gallery, Chicago (acquired from the artist circa 1955).
Joe Greenebaum, Chicago (acquired from the above).
Acquired from the above by the present owners, early 1960s.
Please note the additional literature references for this lot:
U. Becher, George Grosz. Deutschland über Alles, Rome, 1963 (illustrated in color; incorrectly dated 1919).