Manufactured circa 1858. Single bead sight on the smooth concave solid rib marked with a faint makers address. The frame, hammers, locks and lever are engraved with fine English scroll designs. Each side of the frame is marked "CHARLES LANCASTER'S PATENT" and the locks are marked "C. LANCASTER LONDON/PATENT" The matching serial number is marked on the trigger guard, water table and underside of each barrel under the forearm. 2 1/2 inch chambers, chokes gauge at full/full with extractor. The bores measure .733/.737 and the wall thickness is .085. Mounted with a checkered walnut splinter forearm with horn forend and straight grip stock with a checkered bare butt, engraved heel and toe plate, and silver initial oval. Comes in an oak case with brass corner protectors and green felt lining with a maker's label affixed to the inside of the lid. The interior has 10 compartments, three have lids with ivory pulls. In the case is a nickel oiler, two piece wooden cleaning rod, pull through bore mop in a leather pouch, bore mop, jag and wire brush. Length of pull is 13 3/4 inches. Drop at the comb is 2 1/4 inches, drop at the heel is 2 7/8 inches, and zero cast and toe.