I certainly don't have an answer for you but I do have a request if you would indulge me. I would love to see a picture of the inspection markings on the left front of the body. Being a Maltby rifle there are circular inspection stamps there. If you remove the trigger guard there will also be a combination of letters and/or numbers stamped on the bottom of the wrist. I research Maltby rifles and am interested in the markings that are unique to that manufacturer.