I agree that this is an interesting drilling. It is unusual for a Suhl made gun to be proofed in Zella-Mehlis. It is obvious that the stock doesn't match the forearm so I wonder if it was sold, unfinished ( no stock) to a stockmaker in or near Z-M. Once he fit up the try-stock, maybe he submitted the finished gun to the proof house. Of course, this is rank speculation, but it is plausible. Since it is proofed for a 10 gram bullet, it would be worthwhile to slug the barrel to see if it has .323" groove diameter. Another point worthy of checking is the safety/barrel selector. On my Kreighoff, the greener side safety doesn't work on the rifle barrel, only the shot barrels. The selector serves as the safety for the rifle as well as selecting it to fire. If this one is the same, the shooter would only have to worry about one button if a deer shows up ( plus the set trigger).
Mike
