This Model 1851 Navy percussion revolver was manufactured in the Colt London factory in 1855. It has the "-ADDRESS. COL. COLT. LONDON-" barrel address, London proof marks on the barrel and cylinder, "COLTS/PATENT" on the left side of the frame, matching serial numbers, standard cylinder scene, varnished walnut grip, and rounded head screws. Upside down "U.C/G/42" letters on the left side of the grip which indicates this revolver was issued to the Upper Canada Militia, Troop G, man number 42. Troop C, man number 42's revolver is also in this sale.