The Mark II is one of the best-selling knives of all time. First introduced in 1966, this tactical knife is serialized for collectors. This one has a satin finished hand ground double-edged partially serrated blade, .250" blade stock and .962" blade depth, hidden tang construction with a black aluminum handle. This knife is Serial #K1063S and was made in 1992. Comes with a black nylon sheath. Has a few light scuffs, otherwise excellent condition.