Colt Service Ace, .22 long rifle cal. auto pistol.  Serial #SM19174, mfg. 1978.  New unfired condition.  5” barrel has mint bore.  Slide and frame have 100% polished blue finish with adjustable sights.  Frame has 100% satin finish.  Colt  gold monogrammed checkered walnut grips are 100%.  Correct magazine. This is the "Real McCoy" and not the cheap imitations that are currently on the market. In original box with matching label and instructions.  Collector quality!  Beautiful!