Soviet Secret Service (KGB) Camera

Extremely rare and highly sophisticated round flat camera with 3.1cm diameter and 1.4cm heighth for 12 round pictures of 4mm diameter on a single round sheet of film. The camera is very precisely built ot of brassa nd steel. It has a built-in noisless clockwork motor, pressing the release button transports the film, releasing it exposes it. With a 3.5/5.5mm coated lens (the camera is engraved 'F=5.5mm 1:3.5'). With in-between-lenses shutter with shutter times of T, 1/10 - 1/300. This is for sure one of the best made spy cameras we have ever seen, it seems to be a cooperation of a watchmaker and a camera manufacturer, only four pieces are known to exist.