Colt New Line 22 Revolver, Barrel retains about 60% of the bright nickel finish remaining with about 90% remaining on the frame. The New Line was a single action pocket revolver introduced by the Colt’s Patent Fire Arms Manufacturing Company in 1873 and continued through 1877. 22 caliber being manufactured between 1873 and 1877 with a total of roughly 55,343 being manufactured. Colt Courier The Courier was a 3-inch variant of the Cobra with a special, short grip frame. View the current price and value of new and used a NEW LINE based on 56 sold items over the past year. Seven-shot fluted cylinder and 2 1/4" round barrel with flat sides. Serial #227421F, . [1] CASED Antique 7-Shot COLT NEW LINE . 32 model are constructed of lightweight aluminum alloy, and the gun weighs 13. 22 Revolver First Model, made in 1874 in Hartford, Connecticut. npv, tmv, kcxku9, lypie, nwbthg, vapdzn, dl, 5afa, u4, ex,