Help I have just found locally a Double Barrel Shotgun Need to know the value it is a back action lock all screws are there butt plate is there only thing missing is ram rod ,locks work, triggers work, left nipple is broken,has a small repair (sloppy) on left side of forearm,barrels will slide fore an aft. about 1/16" heavy.Barrels look to be in pretty good shape. On the locks it says GEORGE NEWTON. Would like to know what it may be worth soon if possible.