Shin Nippon Poppy was made in the 1950s. It is an extremely rare vertical style subminiature with a fast Erinar Anastigmat f2.8 22mm lens. Aperture f2.8-6.3. Shutter speeds of B, 1/25, 1/50 on a dial with the shutter release in the centre.
Finished in a light coloured matt surface.
In December 1991 one sold for 3230USD at Christies.
See "Spy Camera" page 73 Michael Pritchard and Douglas St. Denny.