The John Primble Stagg Bone Jigged Pocket Knife is a vintage, factory-manufactured pocketknife made in the United States. It features a slipjoint lock type, two clip point blades made of carbon steel, and a handle made of bone. The knife has a plain blade edge and is opened manually. The knife is authentic and original, and it is not modified. It is a collectible folding knife that is ambidextrous and has a brown color.