A DOUBLE-BARRELLED PERCUSSION CAPE RIFLE, CIRCA 1865

With 29 ½ in. (75 cm.) twist sighted barrels, the right smooth and of 14-bore, the left rifled for a belted ball and of 40-bore, broad rib marked from '1' to '19' in inch increments, engraved locks and mounts including patchbox-cover with a plains ga