Having seen images of Anton's camera (which is the one linked to earlier) I'd have to say it's at the high end of pre-War 9x12 camera's and is most certainly De-Luxe.
Originally Posted by diser
The problem appears to be that the company itself may have been very short lived, the shutter tells us this was made at the height of the Great Depression, and the camera trade in Germany was in great turmoil. The Compur shutter & Zeiss lens serial numbers would give us even better indicators.
The mid 20's saw a lot of major German camera companies amalgamation to form Zeiss Ikon in 1926, and a few others disappeared.