Single-action revolver fitted with conventional trigger. Chambered for .38 rimfire cartridges, with 7.25" octagonal barrel. Unfluted cylinder holds 6 shots. Frame silver-plated brass or blued iron; barrel and cylinder blued, with walnut grips. Barrel marked "E.A. Prescott, Worcester, Mass. Pat. Oct. 2, 1860". Believed several hundred manufactured between 1861 and 1863. Iron frame model will bring a small premium.