Hugo Erfurth; Hans Thoma; Staatliche Landesbildstelle Hamburg; collection on the history of photography; paper; gum print; image size: height: 21;1 cm; width: 17;8 cm; stamp: recto and right: HUGO ERFURTH; COLOGNE; DOMKLOSTER 1; GOLDSCHMIDTHAUS; inscribed: verso o. in the middle: in lead: Hans Thoma; 1920; label: cardboard: in typescript: Hugo Erfurth; Hans Thoma (younger); stamp: passepartout verso: top left: stamp of the State Picture Department Hamburg; bottom right: inventory stamp of the State Picture Department Hamburg; handwritten with ballpoint pen: 247; inscribed: passepartout and in the middle: in lead: rubber; portrait photography; portrait; artist; portrait; self-portrait of an artist; beard; portrait; self-portrait of a painter; arm positions; gestures; Hans Thoma