Leitz Photographica Auction celebrates its 20th anniversary with a holy grail Leica auction. The sale includes over 400 rare and coveted pieces from the German-based manufacturer's archives. Along with the Leica MP Unique Gold Analog Camera, some highlights include a 1923 0-Series No. 105 owned by Oskar Barnack, a pastel green display stand with Leica IIf, and a collection of prototypes. The auction will take place on June 11, 2022, at Leica World in Germany.