These are examples of barbed wire fencing used as “concertina” wire in the European campaign during World War I. The twisted steel wire with barbs at regular intervals impeded or halted the passage of soldiers.
Scutt arrowplate barbed wire consists of two twisted-strand wires with four point sheet metal arrow plate barbs. Each barb is split and shaped like an arrowhead. Scutt arrowplate barbed wire has patent 20500, issued June 18, 1878, by Hiram B....
Arrowheads; Indians of North America; Indians of Central America
Triangular shaped blade w/ many chips on edges. Edges are concave (due to chipping after initial manufacture). Barbs flair downward slightly and the stems side expand slightly toward base. Base is convex. Color-dark charcoal grey.