As I recall the WW1 military DWM grips were all numbered to the gun. Except replacements of course.
Other WW1 DWM grips should fit, but I'm not so certain about WW2 Mauser grips.
A bit of walnut stain in some thinned linseed oil might do wonders for these grips, which don't seem too bad to me.
dju
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