If I am not mistaken, the letters "SGDG" imply that a patent has been applied for, but, not necessarily issued at the time of production.

Mike, I think it would be very odd if your gun was produced by VC, if it has no markings of any type from VC. I suppose it is possible the gun was sold in the white out the back door at VC and then finished up by someone else.


Best,
Ted