Very rare pre-production prototype: ‘cover cap’ built into top-plate in front of shutter release – see Prochnow Report 1, page 54 – no body number, flash sync. socket in different place (new stamping of front panel required for production model to accommodate flash sync.), no ‘customs seal’ mount, no facility for mounting accessory shoe attachment. ‘The prototypes had no facility for a shoe’. (‘Voigtlander Prominent Cameras’, Voigtlander Verein Monograph 2003). The same publication also states, ‘During 1950 Voigtlander made 16 Prominent cameras, which were pre-production models’. This camera is very likely to be one of those 16