This is an original Civil War M1835/M1842 socket bayonet for use with the M1835 and M1842 .69cal Muskets. Surfaces exhibits an attractive smooth grey patina with a mix of light staining. Flat of shank is marked with a deep “US” . The socket has an intact and functional locking ring. The overall length is 20 5/8 ″ , Blade Length 18-1/8 ″ a nd a socket length of 2 5/8 ″  and a socket length of 2 5/8 ″ . This is in great untouched condition and would be a great addition to any Civil War collection.