Yes Brit, would have expected to see an original serial number with the CH prefix.I expect it has been re-serialed for paperwork reasons ?
It wouldn't have originaly been a 7.92 with the 1 - 7813 serial number as these guns were sterile.

ATB Kevin
Information
Warning: This is a relatively older thread
This discussion is older than 360 days. Some information contained in it may no longer be current.