Hi, Ron,
Are you sure it does not say "Deutsche Werke-Werk Erfurt" rather than "Deutsche Waffen". If it says "Deutsche Werke" it should also say "Ortgies' Patent". If it has those markings it is the pistol commonly called the Ortgies. Check, and if it is an Ortgies, I will provide further information. Meantime, suggest he not try to disassemble the gun; it is tricky to take apart and trickier to put back together.
Jim
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