This is very high grade J.P. Clabrough side lever double hammer shotgun. J.P. Clabrough was a San Francisco Gun Maker at 630 Montgomery St. San Francisco, California from 1870-1875. This high-grade side lever shotgun is fully engraved and is crisp and tight with 30 inch excellent bright and shiny bores. The weight is 9 pounds and the LOP is 14 3/8”. The Damascus barrels retain about 70% barrel brown and the bores measure .757” and .762”. The wood is high grade and is very nice. The serial number is 1558.