Manufactured in 1877, the top of the barrel having the standard two-line Colt address, the patent date on the bottom, and the desirable "COLT NEW 22" etched panel on the left. "22CAL" is marked on the left of the frame and there are small British proofs on the bottom of the barrel and cylinder. The full serial number is on the butt, "0081" on the bottom of the barrel, and "0881" on the rear face of the cylinder, which is likely a factory error. The top strap is engraved "COGSWELL & HARRISON/226.STRAND.LONDON. Includes a leather wrapped case with the interior lining of the lid marked with the Cogswell & Harrison address, and eight .22 RF cartridges.