CONRADI, F.W. (1870 – 1944). Signed Portrait of Conradi. Berlin: Paul Muller, (1923). Full-length black-and-white portrait of the German magic manufacturer in evening dress, at the climax of his Glass Through Hat effect. Cabinet card format on photographer’s printed mount, 6 ½ x 4 ¼”. INSCRIBED AND SIGNED by Conradi in the upper left.