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URUMA, JAPAN—The Japan Times reports that Roman coins dating to the third and fourth centuries A.D. have been found at the ruins of Katsuren Castle in southern Japan. The castle dates to the twelfth to fifteenth centuries, when trade with China and Southeast Asia could have transported the four copper coins to Okinawa. X-ray analysis of the worn coins suggests that they bear an image of Constantine I and a soldier holding a spear. The castle site also yielded a coin from the Ottoman Empire. For more on Roman coin finds, go to "Seaton Down Hoard."
