RIETH, OTTO KOCH, MAX The Act. 100 sheets of phototypical model studies from life. Internationaler Kunstverlag, Berlin-Leipzig, n.d. In-folio (32.5 x 25 cm). First edition in French. 100 plates of male or female academic nudes printed in phototype; 1 illustrated title plate and one illustrated faux-title plate. All in a muted lace-up portfolio. The plates are numbered from 1 to 100; plates 15 and 52 are missing; plates 38 - 39 - 40 - 46 are numbered twice, even though their visuals are different. In all, the portfolio features 102 different plates.