Colt No. 2, .41RF cal. single shot derringer. Serial # NSN. Very god condition. 3” barrel with an excellent bore. Nickel finish is excellent with faint address marking on top of the barrel, light scroll engraving. Swivel breech action locks up tightly. Mother of pearl grips are excellent. Includes a black leather belt clip holster. A great one for your collection. Antique can ship to you.