I'm just thankful for the research published by Don Hallock and Joop van der Kant!
It would be good to meet others interested in Mauser. Been awhile since I visited Phoenix, though...
Gerben's observations are also very likely reasons for the soft edges on these proof marks...
Cheers! Marc
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 Igitur si vis pacem, para bellum -
- Therefore if you want peace, prepare for war.
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