Manufactured from 1865 to 1888, the Remington No. 1 Vest Pocket Pistol is also known as the Saw Handle Derringer. The top of the frame is marked with the two line address/patent date marking, and the matching serial number is marked on the left side of the frame under the grip and on the underside of the barrel. Brass cone front and frame notch rear sights and fitted with nicely figured smooth walnut grips.