Manufactured in 1877 with the standard two-line address on top of the barrel, "COLT NEW 22" on the left in an etched panel, patent date and serial number on the bottom, and serial number also on the butt. The top of the frame on either side of the sighting channel has been retailer engraved with "WATSON BROs/4. PALL MALL LONDON." There are London proofs on the barrel and cylinder. It has standard features. Includes a leatherette wrapped presentation case with the interior of the lining of the lid retailer marked for Watson & Sons.

Fine, retains 60% plus of the original blue and nickel finishes with the balance having thinned to either a smooth grey patina or attractively aged brass, and some vise marks visible on the sides of the barrel. The grips are very fine with some scattered light handling marks. Mechanically excellent. The case is fine with some scattered light handling/storage marks.