A .500 (3 IN. BLACK POWDER EXPRESS) DOUBLE-BARRELLED, late 19th Century

NON-FOULING SMOOTH OVAL BORE RIFLING' ROTARY-UNDERLEVER HAMMER RIFLE...; With blued 28 in. (71 cm.) black powder only barrels sighted to 300 yards, action with carved percussion fences, bolted back-action locks, retaining some original case-hardened