Case XX 1977 Buffalo P172 3 DOT HAND MADE USA pocketknife is a vintage collectible with a 4-inch clip point blade made of high carbon stainless steel. The knife features a manual opening mechanism, ambidextrous dexterity, a slipjoint lock type, and a brown wood handle. Made in the United States in 1977 by Case XX, this original pocketknife is a unique piece for collectors of vintage folding knives.