To go even further afield, Roman coins have turned up in the ruins of a 12th Century castle in Okinawa. https://www.nytimes.com/2016/10/04/science/japan-archae

To go even further afield, Roman coins have turned up in the ruins of a 12th Century castle in Okinawa. https://www.nytimes.com/2016/10/04/science/japan-archaeology-roman-coins.html https://www.nytimes.com/2016/10/04/science/japan-archaeology...