The experts of the forum agree with me that seems to be from XVI century. The description the expers gave me is. Tetradrachm circa 420-410, AR 17.20 grams. Laureate head of Apollo r.
17.20 grams of silver The experts of the forum agree with me that seems to be from XVI century. Then is very rare The description the expers gave me is: Bruttium, Rhegium.