Smith & Wesson Model 57, .41 magnum cal. double action revolver.  Serial #N616497, mfg. 1979.  Excellent condition.  6” barrel has mint bore, ramp front sight with green fiber optic and micro-adjustable rear.  Barrel and frame have 98% blue.  Cylinder has 97% blue with light index wear.  Target hammer and target trigger have excellent case coloring.  S&W Goncalo Alves checkered walnut grips are excellent.  Double action works fine with tight lock-up. Great 1970’s N-Frame!