Original U.S. Williamson Patent .41 Caliber Rimfire and Percussion Single Shot Derringer by Moore Firearms Co. Serial 7048 - Circa 1866-1870 Spanish Militaria and an updated mechanical sight

and an updated mechanical sight utilizing up-to-date ammunition ballistic data to aid accuracy

It is fitted with the standard orange and black swirl color checkered hard rubber pair of grips

Meuse-Argonne and the Defensive Sector

It has the correct Vulcanfibre visor with leather trim fully retained

Original U.S. Williamson Patent .41 Caliber Rimfire and Percussion Single Shot Derringer by Moore Firearms Co. Serial 7048 - Circa 1866-1870 Spanish Militaria and an updated mechanical sightOriginal Item: Only One Available. This is a scarce David Williamson Patent . 41 Rifled Derringer, made between 1866 and 1870 by the Moore's Patent Firearms Company of Brooklyn, New York. The pistol is marked on the underside of the barrel and inside the brass barrel dovetail with serial number 7048. There also is the Williamson patent information stamped onto the right side of the barrel: WILLIAMSONS PAT. OCT. 2. 1866 NEW YORK Of special note is that