Colt Service Ace, .22 long rifle cal. semi-auto pistol.  Serial #SM20394, 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. In excellent condition original box with matching label.  Collector quality!  Beautiful! This is the "Real McCoy" and not the cheap alloy frame imitations on the current market. Collectible and wonderful!