Rare coins and bills that haven't been released to the public are often worth a lot of money thanks to an error or specific mint condition, but what about $2, $50 and $100 legal tender notes that ...

When it's a rare 50-dollar bill worth thousands of dollars ... You'll see some of the oldest and most valuable bills on this list.

A twenty doesn't buy what it used to, but some rare 20-dollar bills can actually be worth a lot. Knowing what to look for can ...

Minted in 1794 and 1795, this rare coin is one of the most expensive coins in the world. It was originally based on the Spanish Dollar, as evidenced by its size and weight. Currently, there are ...