Bdome,
Highlight the link in the window that starts with "forum.lugerforum.com..."
then copy and paste into your post.
like this:
http://forum.lugerforum.com/showthre...745#post323745
I'm going to guess "Kriminal Polizei Lignitz, weapon # 13.
I don't believe the lug removal dates to the period of use; the originally "removed" lugs, still show some residual outlines, like the picture posted.
Post war or US removal often leaves a small hole- believe one can see the incipient hole in your rear strap picture.