Help me identify this Luger -

[ithacaartist]

Originally Posted by 45Wheelgun

Not sure what an Erfurt is, but that does have a different 2 digit serial number (57) along with a proof symbol that I can't make out. Maybe a crown with a w.

Lugers made by the Erfurt facility were primarily destined for the military, I believe. Erfurts' appropriate small parts, in addition to the serial digits, were each stamped, with a "crown over Gothic letter" by inspectors. Just theorizing as to the origin of the part from a third donor...