Manufactured in 1877. The accompanying factory letter confirms the 45 LC caliber, nickel plating and grip. The barrel is not listed, indicating a length of 7 1/2 inches. It was part of a 40 gun shipment that left the factory on October 31, 1877, and delivered to B. Kittredge & Co., Cincinnati, Ohio. The barrel has the one-line Hartford address, and the frame has the three-line, three patent dates marking. Matching numbers are found on the barrel, trigger guard, back strap, cylinder, grip and barrel.