Can I see some more pictures of the scroll, all sides, the Ribs, side views and the end-pin area.
The Bass looks Germanic in nature. There are probably more labels in instruments that were put in there for selling purposes than labels matching their instruments. As far as commercial shop productions, many of those labels are just marketing brands.
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Ok, I found the
Sale ad on talk bass with more pictures. Still, it doesn't look typical Viennese to me but, I wasn't there when it was made.
The way it is branded over the label and on to the wood looks original. It could be a bass as labeled. I just don't know the makers work to confirm or deny, sorry.
Looks like a nice bass. How does it sound?