Canon S no. 12341
Seiki Kogaku, Japan; chrome, with pop-up viewfinder and a Nippon Kogaku Nikkor f/3.5 5cm. lens no. 460102 in lens mount no. 3714, in maker's ever ready case
Literature
Peter Dechert (1985), Canon Rangefinder Cameras 1935-1968, p.44-45.