A .410 DOUBLE-BARRELLED ROTARY-UNDERLEVER HAMMERGUN, CIRCA 1870

Converted from a rifle, with reblued 26 in. (66 cm.) damascus nitro barrels, 2 ½ in. chambers, action with carved percussion fences, bolted back-action locks, border and scroll engraving throughout, retaining some original blued and case-hardened fin