This rare percussion combination gun was built in circa 1840, the right barrel 14 bore smoothbore, the left barrel 15 bore rifled. With browned Damascus bolstered barrels with raised flat rib fitted with blued rear sight of three folding leaves and signed “MORTIMER, FLEET ST. LONDON” towards the breech end. The underside of the barrels struck with London proof marks. Casehardened patent breeches each with platinum plug. Border and scroll engraved standing breech and side locks, the latter each signed “MORTIMER”, the left lock with detent. Blued furniture including trigger guard with checkered pistol grip. Well figured straight hand walnut half stock with checkered grip, the underside of the butt with blank silver oval initial escutcheon. Original brass mounted ramrod. In original brass cornered fitted mahogany case lined in dark blue velvet, with some accessories including a brown leather shot flask. Provenance: The Malcolm King Collection