File:Lyonel Feininger, 1914, Benz VI, oil on canvas, 100 x 125 cm (39.3 x 49.2 in).jpg

Published in 1920
Der Kubismus; ein künstlerisches Formproblem unserer Zeit, 1920

See here too: https://archive.org/details/derkubismuseink00kpuoft

Licensing
This image can have no independent copyright as it is simply a faithful reproduction of an old, public domain, two-dimensional work of art published outside the U.S. before 1923.