Kiev-4, vintage Soviet rangefinder camera, 
 35 mm, #6826334, Contax RF mount
"Arsenal" plant, Kiev, Ukraine, USSR

Most likely for parts. Shutter fires almost properly, but when setting the shutter speed and rotating the shutter speed knob counter-clockwise - shutter opens; when rotating the knob clockwise - it works properly. Self-timer and rangefinder work properly. Light meter does not work. Body has signs of age and use. Lens is not included, body only. Take-up spool is included.

Characteristics:
S/number - #6826334
Frame size - 24x36.
Shutter speeds - 1/2-1/1250, B.
Type of thread - Contax RF mount (Contax-Kiev)
Body - aluminium.
Dimensions (mm): 149*89*45
Mass - 610 g