A $100 million coin collection hidden underground for 50 years is heading to auction in a historic multi-year sale.

Of course, their value also depends on their scarcity ... According to Artnet News, the coin is named after the ancient Greek ...

It’s the first time the coins will be extensively studied, and Kiernan and his class will publish their findings. Within the collection is a “remarkably rare” coin of Roman emperor Otho, who reigned ...