New Haven Arms Company manufactured an estimated 850 No. 1 Lever Action Pocket Pistols between 1857 and 1860. The pistol has a blued barrel. The bolt, cartridge elevator, trigger, loading lever and rear sight are fire-blue. The hammer is color casehardened. The two-piece, flat base, walnut grips have a high gloss varnish finish and are numbered to the gun. The pistol has the distinctive .31 caliber octagon barrel with integral six-shot magazine, brass receiver and loading lever with finger hole. The barrel has a round muzzle, rounded T-bar spring, pinched blade front sight and scalloped brass magazine follower. The receiver has semi-circular cut-outs on both ends of the ejection port and a dovetail mounted rear sight. The top barrel flat is roll-stamped with the New Haven Arms Company markings: "NEW HAVEN CONN. PATENT FEB. 14. 1854" in one line. The serial number is stamped on the left side of the butt beneath the grip.

Fine with attractive aged patina on the crisp original frame, 20% original blue finish, mottled gray and brown patina on the balance, and minor age and storage related wear. The grips are very fine and have mild lower edge wear, nearly all of the original varnish, and a few light scratches. Mechanically fine.