Tschenstochau ghetto photograph authentication

[ZeraAmalek]

Good day, yesterday I bought what seems to be a picture which was taken in the "Jewish quarter" of Czestochowa, aka Tschenstochau ghetto, The picture seems a little glossy, and it has no hallmarks on the back, but an inscription in German which is describing the scene in the picture. In addition, there seems to be some glue residue on the back, which might indicate that the photo was glued to an album. What do you think? Are the black borders a red flag?

[Gwar]

JMO, why isn't it written in Sutterlin script ?

[ZeraAmalek]

I have checked and discussed with sutterlin nand kurrent experts, it is written in kurrent script.