The grips are Russian. I have a set - They go for ~$150-$200 on eBay/GB.
The 'Russian Capture' Lugers can often be found with X'd out numbers, new barrels, mix of old & new parts, and a 'hot dip' blued finish.
Your frame is a Mauser (it has the hump). I think the indecipherable barrel marking is the importer.
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I like my coffee the
way I like my women...
...Cold and bitter... 
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