The CASE XX USA Bone 3 Blade Whittler Pocket Knife 6383 2 Dot 1976 is a rare vintage collectible featuring carbon steel blades and a bone handle. This ambidextrous pocketknife has a manual opening mechanism and a slipjoint lock type, making it a unique addition to any collection of vintage folding knives. With its clip point and pen blade types, this original Case XX knife from 1976 showcases the craftsmanship of a bygone era and is a prized piece for collectors of American-made knives.