They discovered a jar filled with coins belonging to a medieval samurai.
Over the course of the 15th century, civil war broke out as theMuromachi shogunatewas under attack.
The second half of the 15th century saw different families jockeying for position and powerleading to increased violence.
Photo: Saitama Cultural Deposits Research Corp.
With that picture clear, it makes sense that a powerful samurai would want to keep his money hidden.
For now, 70 of the coins have been examined.
These coins were looped on a string and include 19 different coins from China and different areas of Japan.