Parts Luger info needed
 

I have a parts gun for which I would like to get the dates made. The frame is Serial number (SN) 1947m with no "Germany or made in Germany" markings. Barrel is marked with SN 1863 o and is 30 cal.
"GERSCHERT" under safety with no other markings on frame. Barrel has crown over n and toggle has vertical crown over n. Toggel and barrel are matched but not to frame.
This is my shooter so no collective thoughts here. But I would like some notion when they were made. How they got put together is totally unknown. Additonally, pistol is not RC marked and does not appear to have been dipped, so I do not think it is RC mis-match.
Thanks for any help.

Any chance of seeing pictures? Where are the small frame parts numbered? Is there a stock lug? Is the rear frame reinforced or not? Recoil spring well spur or straight? Questions, questions...

--Dwight