Avus
german 6.5x9 folding
German 6.5x9 foldingGerman 9x12 foldingVoigtländer1911-1914
photo: Süleyman Demir, Uwe Kulick, Dirk HR Spennemann · CC via camera-wiki.org
Cameras that look like it
photo: Süleyman Demir, Uwe Kulick, Dirk HR Spennemann · CC via camera-wiki.org