Ketland Marked Lock North American Indian Trade Musket, Probably converted from a flintlock to percussion. British proof marks and "London" stamped on breach of barrel which is 44" long. 56 cal bore (Indian muskets had smaller bores than military weapons), C1830 before conversion. Fancy scrolled brass side plate on left side of stock as is typical of these guns. Brass furniture, wood ramrod, lock won't hold on full cock.