Iron, 1” diameter. Collected in the decades after the battle with their good form preserved and surface textured from burial. Purchased from Schindler’s Antiques, King Street, Charleston, SC in the 1980s. Grapeshot or canister shot (indistinguishable after firing) was used both on land and at sea to decimate closely grouped enemies. When used against cavalry, the greatest casualties were inflicted against the horses. These are about 2.3 oz. each about triples the weight of a led musket ball and impart about three times the energy upon impact. Have six. Each $25.