Gilt bronze. Just under 11/4 " diameter. Circular with rectangular opening for the cross pin seat. Rounded face and hound’s tooth edge, hand-cut and showing minor irregularity from handwork. The back with eight indents, perhaps stamped, of varying form. The significance is unknown. When fastened to the jerkin, these small metal brooches provided a measure of protection against sword cuts and, in fact, were a form of armor. See current Public Television programming for documentation of these in action. As protectors, they also held spiritual significance for the warrior. Professionally refurbished with the silver overlay restored and suspended from a Sterling silver neck chain for modern wear. Gift boxed with certificate of authenticity.