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 ...

Add Yahoo as a preferred source to see more of our stories on Google. MediaNews Group/ Reading Eagle via Getty Images What has Thomas Jefferson's face on it and might be worth thousands? That's right.

If you're looking for ways to make extra cash and help pay your bills, without taking on a side hustle, selling old coins to collectors could net you some serious dough. If you have some old dollar ...