Doug, Without picture it is difficult to say much. Does your pistol appear to have a Weimar or Nazi style eagle on the barrel as a proof. It would not be unusual for a Police pistol in the Weimar period to have a replaced barrel or toggle from a salvage part. Both are a little more unusual. How is the Toggle stamped? In particular is it DWM, S, Simpson, or blank? Check the witness mark on the bottom of the barrel and rever to Dwight Gruber's post on witness marks. He would probably like yours in his database. I am assuming there is a sear safety, am I right?