The barrel has the two-line Hartford address on top and "COLT FRONTIER SIX SHOOTER" marked on the left. The underside of the barrel is correctly marked "44" is small font. Matching partial serial number "905" marked on the rear of the cylinder. Assembly number "405" marked on the rear of the loading gate and left of the grip frame. "O.E." and "GWR/1961" carved on the underside of the right grip panel. Includes a copy of the book "Colt's Double Action Revolver" by Don Wilkerson. Provenance: The Don and Carol Wilkerson Collection