In need of help real or repo?

[HunterB]

Hi, I’m new around here I just recently started getting into ww2 area themed small arms my big area I like is daggers I went out on a limb and bought a 2nd model luftwaffe dagger on eBay everything seemed to check out to be legit patina,the grip looked of the time period it’s a polished blade with the full makers name robiklass Solingen my only worries are the it looks like the makers mark is upside down? And not sure if that happens or I couldn’t really find much info on the internet and really don’t know where else to turn thanks for any info and taking a look thank you

[von thoma]

Makers mark: Robert Klaas, Solingen

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