TOKYO, Japan (AFP) — Japanese archaeologists said Wednesday they have for the first time unearthed ancient Roman coins at the ruins of an old castle. The discovery of 10 bronze and copper coins — the oldest dating from about 300-400 AD — in southern Okinawa caught researchers by surprise. It was the first time Roman Empire coins have been discovered in Japan, thousands of kilometers from where they were likely minted. “At first I thought they […]