The Edward Wax Casting Co. Stainless Steel Colonial Prov. USA Tester Knife is a vintage collectible folding knife made in the United States. Featuring a colonial brand, stainless steel blade with a spear point and serrated edge, and a plastic handle in a beige color, this ambidextrous knife has a manual opening mechanism and one blade. With a blade range over 4 inches, this unique piece is perfect for collectors of vintage folding knives.