One of 1,000 manufactured in 1981 to commemorate the Colt Ace with standard markings and features with fixed Patridge front and adjustable rear sights. Smooth rosewood grips with gold Colt Custom medallions. Magazine shoe marked "COLT .22 L.R.". Complete with a Colt Custom Shop wood case with small plaque that reads "COLT SIGNATURE SERIES/1981", key, and papers.