6.5 x9 cm plate.
Compur shutter with times T_B 1 to 1/200sec.
Lens : Heliar 10.5cm F3.5 .
Camera number : B725628.
Comes with : Rada roll film back.
The camera works OK , the bellows looks fine and is green. Focusing and all the knobs work fine. No heavy wear and all is been cleaned well.