Bidspirit auction | Gustav Köhler (1859-1932), Portrait of

Gustav Köhler (1859-1932), Portrait of - Gustav Köhler (1859-1932), Portrait of a man with feathered hat, pen and ink drawing on laid paper with wash, monogrammed and dated ''G.K. (18)92'' lower left, 14.5 x 10.5 cm, framed behind glass and passepartout 28 x 22 cm