.45 Colt caliber, 5 1/2″ barrel, blue and casehardened finish with period stag grips.   The barrel, cylinder and ejector rod housing retain much of the original factory blue finish.  The receiver has faded to mostly gray.  Beautiful period stag horn grips showing a nice patina.  Minty bright bore and rifling.  Lock up is tight.  Serial range 251xxx.