.50 caliber. 38.25" wedge retained octagonal barrel. SN: NSN. Browned finish, brass furniture, full-length faux striped hardwood stock with checkered wrist and raised cheek rest. Single screw commercial percussion lock is lightly engraved and unmarked. Barrel with drum bolster is weakly marked "A GIBBS" and "LANCASTER". Lightly engraved Lancaster style four-piece brass patchbox, with release in toe plate, crescent buttplate, extended finger spur triggerguard. Dovetailed notch rear sight, dovetailed brass blade front sight. Simple brass pipes secure an old wood ramrod. Three small, plain German silver escutcheon plates are set into the toe line of the stock, the wrist and the cheek piece. Abraham Gibbs is listed as a gunmaker in Lancaster, PA during the mid-19th century.