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, .244" blade stock and .936" blade depth, hidden tang construction with a black/grey aluminum handle. This knife is Serial #049611 and was made in 1976. Comes with a brown leather sheath, original box and papers. Has some oxidation and patina on the blade, otherwise good condition.