Copper alloy, 2.39 grams; 26.29 mm. Circa 7th-2nd century BC. Tri-finned with three straight blades and short socketed section that ends at the base of the blades. Each blade has a short sharp barb protruding a third of the way past the top of the socket. Ref: Similar to, A Fine Collection of Ancient and Medieval Arrowhead and Crossbow Bolts by Alan Cherry; B49/62. Very fine condition.