@saab,
I don't know if it really is this (or a similar) notice - but that is quite common, today and since we'd got labour security rules, which happened in 1845.
PUNKEY wrote:
There's no market for Nazi stuff these days, anyway.
I don't think that it is Nazi-Stuff, at least, if it is wooden, it's not from a KZ but seems to be from some ... e.g. timber/wood craft works, a sewing mill or similar.