This revolver was manufactured in 1851 and features the distinctive early "square back" trigger guard. The top of the barrel has the one line "NEW-YORK CITY" address. The underside has been marked "J.D.L." by a prior owner. The left side of the frame has the early style small "COLTS/PATENT" marking. The cylinder has the naval battle scene. The matching serial number is marked on the bottom of the barrel, frame, trigger guard, wedge, cylinder pin, and back strap. The replacement cylinder is marked "COLTS PATENT No. 21830". It is fitted with a one-piece walnut grip. The revolver comes in a fitted, relined hardwood case with red fabric lined interior and a reproduction "DIRECTIONS FOR LOADING COLT'S PISTOLS" lid label. The case contains a reproduction powder flask, empty cap tin, combination tool, key, conical bullet, and bullet mold.