Ancient Roman coins unearthed from castle ruins in Okinawa

Coins issued in ancient Rome have been excavated from the ruins of a castle in a city in Okinawa Prefecture, the local education board said Monday, the first time such artifacts have been recovered from ruins in Japan.
Read more: http://www.japantimes.co.jp/news/2016/09/26/national/history/ancient-roman-coins-unearthed-castle-ruins-okinawa/#.V-m3WfArKM9?source=Snapzu