You probably don't think twice about the crumpled dollar bills sitting in your wallet. They're just money, right? Here's the thing though. Some of those bills might actually be sitting on value you'd ...

Take a dollar bill out of your wallet. How much is it worth? Say "a dollar," and chances are, you're absolutely right. But it's also possible that the humble Washington in your hands is worth much ...

You've probably heard that $2 bills are rare. Maybe you've even saved one or two yourself, thinking they might be worth something someday. Here's the thing though, most of them aren't particularly ...