Flintlock Holster Pistol (One of a pair). Johann Jacob Behr (Flemish, active 1690-1745); Li?ge. Date: 1720-1730. Dimensions: L. 50.8 cm (20 in.) Barrel L. 34.2 cm (13 1/2 in.) Caliber .60 Wt. 2 lb. 10 oz. each. Steel, brass, gilding, and walnut. Ori.