Colt Trooper MK III, .357 cal. double action revolver.  Serial #8668L, mfg. 1970.  Excellent condition.  6” ribbed barrel has excellent bore, ramp front sight with adjustable rear.  Barrel and frame have near 100% deep blue with crisp markings.  Case colored hammer is excellent.  Colt checkered walnut grips are near 100%. Double action works fine – cannot have been fired much.   Beautiful Colt!