The Mark II is one of the best selling knives of all time. First introduced in 1966, this tactical knife is serialized for collectors. Satin finished double edged partially serrated blade, .255" blade stock and .965" blade depth, hidden tang construction with a black aluminum handle. This knife is Serial #076833. Comes with a black leather sheath. Has some light scratches on the blade, snap on sheath is broken, otherwise excellent condition for its age. Made in 1979.