I'm having a little bit of a difficult time trying to piece fragments of information together about this camera. I just picked it up at a yard sale the other day and I want to use it. The strap reads "Avus" in script. There are no other model names or numbers to help identify the model of this camera. In my investigation I am finding only Voigtlander Avus models in the 2.25 x 3.25 or 6x9cm format. But this one measures exactly 9x12cm. I found other Voigtlanders of the same era and basic general appearance in the 9x12cm format but they are named "Vax" not "Avus". So I'm kind of stumped. Here's some cellphone photos. This camera is in tip top shape considering the age. The only problems are the deteriorating leather (what leather isn't from that era?), and the complete lack of film holders! By the way it has the Skopar f4.5 135mm Anastigmat lens with shutter speeds T, B and 1/1 to 1/200. I've seen photos on the internet taken with an Avus (the medium format 6x9 one) that really make me want to shoot this camera. The rich grayscale and tone of skin.. just something not easily done with todays optics. Anyway, if anyone knows more, I'd appreciating being educated! thanks!