Welcome to the forum.
You probably have a DWM Alphabet commercial Luger from around 1923-1925. These were made in Berlin between WW-I and WW-II for commercial sale, and were extensively imported into the US.
We publish a FAQ PDF with extensive reference information. Please download a copy, it's free.
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Igitur si vis pacem, para bellum -
- Therefore if you want peace, prepare for war.
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