Also known as the Model 1843 or Navy Box Lock Model 1843 manufactured by N.P. Ames of Springfield Massachusetts and Henry Derringer of Philadelphia circa 1842 to 1847. Ames manufactured about 2,000 of these pistols. The pistol has a bright barrel and swivel type steel ramrod with a button shaped head, casehardened lock plate and hammer and brass trigger guard, barrel band and buttcap. The barrel is marked "RP / P". The flush fitting lock is marked "USN / 1844" vertically at the rear and a faint "N.P. AMES / SPRINGFIELD / MASS." below the hammer. The stock is smooth one piece walnut with no visible cartouches or inspection markings.

Good. The iron surfaces have a smooth bright gray patina with evidence of being cleaned at one time. There is some minor flash pitting that extends to the lock plate. The brass has a polished appearance. The reoiled stock is about good with wood missing around the bottom of the lock plate and screw and a couple hairline cracks on the stock flats, along with some minor dings and a minor gash. Mechanically fine.