Grip marking on a DWM Commercial

[jussi16]

Hi!
Not a Finnish police marking.

Originally Posted by Curss

I purchased it online, the seller said it might be a Russian or Finnish police mark. Another thing I noticed is the magazine has no serial number but has a number 1 on the bottom. I believe it to be a Schmeisser magazine but I'm not positive. I'll put up a picture of it later.
T'would be nice to know what the marking means, nevertheless I'm just as much in love with this gun as the day I got her.