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 is 50 bucks worth a whole lot more than 50 bucks? When it's a rare 50-dollar bill worth thousands of dollars! Don't plunk down that 50 to pay for dinner until you take a closer look.