Soviet miniature spy camera Kiev – Vega.
Metal housing. Fits in the palm.
Made in USSR by Arsenal factory in Kiev.
Early models have “Kiev Vega” engraving on the top.
Later models have only “Kiev logo” on the top and “Vega” name engraved on the front.
Film: perforated or unperforated 16mm film, frame size 10x14mm
Lens: Industar-M 23mm f/3.5
Aperture: up to f/22
Shutter speeds: 1/30-1/200
More reading: http://camerapedia.wikia.com/wiki/Kiev_Vega