Leica M3 Shutter Display Model

Factory made 31x56cm display model showing the working principle of the shutter speed adjustment cams in the Leica M3 and M6, made by Leitz in the production preparation department in 1952 for display purposes, includes a description by Georg Mann, a very attractive and interesting piece of the history of Leica M3

Photo credit: © Leitz Photographica Auction