The conceptional camera, released by Belorusian's MMZ plant in 1967. Spring motor cocking. Frame size 18x24 mm. Lens Industar-75-3 2.8/30 mm. Shutter speeds: 1/30s, 1/60s, 1/125s, 1/250s + B. According to Viktor Suglob sources, at least 6 versions of Siluet Automat were issued. An ultra rare camera to find nowadays, since released in an extremely limited quantities (30-40 copies only).
Camera below from Ilya Stolyar (USA) collection.