blindstamped photographer's 'Köln–Lindenthal' credit (recto); signed and dated by Gerd Sander in pencil, dated with print date and numbered '2/12' in Archive copyright stamp, variously annotated in pencil (verso); numbered and dated in Archive stamp and affixed 'People of the Twentieth Century' label (primary mount, verso); credited, titled and dated on affixed gallery label (frame backing). This work is number two from an edition of twelve