He gave the find to officials, who quickly identified it as a Japanese 100-mon coin minted sometime between 1835 to 1870. Photos show the 150-year-old coin’s distinctive oval shape, square ...

MAEBASHI--Archaeologists uncovered an estimated 100,000 ancient coins, some of which are of Chinese origin and are more than 2,000 years old ... people in medieval Japan, the coins were likely ...