A DOUGALL 1860 PATENT 'LOCK-FAST' 12-BORE HAMMER GUN BY J.D. DOUGALL, No. 2802, early pattern action, standard slide-and-tilt action with front-pivoted sidelever, non-rebounding backlocks with high-spurred C-scroll hammers, scrolled fences, best close foliate-scroll engraving, boldly-figured stock with engraved plates at the toe and heel, elongated top- and bottom-straps, browned damascus barrels