35mm Prototype Camera

Unknown 35mm prototype made by an English maker without model name and serial number for three formats (18x24mm, 24x24mm, 24x36mm) on 35mm film. Sheet steel body, mechanical parts in steel, Goerz Hypar 3.5/2" lens in Goerz shutter. Special cassettes for 250 exposures (24x36mm exposures), the negative size could be changed with a lever from the outside without any loss of film. Triple frame finder, exposure counter, with both special cassettes. One shutter blade faulty, shutter works with only one speed, otherwise technically in order. A sensational absolutely original design, probably predating the Leica! With case.