This particular haul, which is believed to contain over two million of the coins, dates back to around 206 BC and each one is likely to be worth several thousand dollars in today's money.
Okay, just brain math...
Okay, define several thousand...
That's at Least three,
So, three thousand, times two million coins.
That's six thousand Million dollars,, that is six Bill Yun..
For two tons of copper...
http://www.unexplained-mysteries.com/news/288316/10-tons-of-2000-year-old-coi...