The cam is a Voigtlander Avus 9x12. The dial set Compur dates from the 20s. I think most of these are snapped up by guys looking for classic glass to mount on a 4x5. Rollfilm backs are tough to find and make about as much sense as shooting 120 in a 4x5. If you are dedicated, you could cut down sheet film. Make sure the bellows are not in bad shape. Also, check out the glass. More than a bit of degradation can pass as character. The front unit of the lens screws out, giving you access to 4 surfaces. If there is haze inside the front unit, it's there to stay (it does not come apart). This is still not a big deal. Also, a dial set Compur is easy to work on, so don't worry about sticky or slow speeds much. Stay away if the ground glass and hood are in bad shape. The more film holders there are the more usable it gets. The old packfilm holders don't count, they are useless these days. I might pay $75 or so for a nice one with a few film holders. Again, most of the value is in the lens and shutter.