This is an original Civil War M1835/M1842 socket bayonet for use with the M1835 and M1842 .69cal Muskets. Surfaces exhibits an attractive grey patina with fine edges. There is no pitting. Flat of shank is marked with a deep “US” . Blade Length 18-1/8″. This is in great untouched condition and would be a great addition to any Civil War collection.