Francis Picabia, Têtes-paysage, 1928, Oil on canvas, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/26082

Pablo Picasso, Portrait of Fernande Olivier, 1906, Drypoint with plate tone on copper in black on ivory laid paper, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/41433