People can tell you're bad with money if you have clothes with the tags still attached in your closet. It's normal to buy ...

A group of gold commemorative Sacagawea coins, seven of which traveled into orbit aboard a NASA space shuttle, recently sold for more than $3 million.

Sometimes, the material a coin is made of can be worth a few cents more than the coin's face value. If that coin is extra rare, it could sell for thousands.

Here’s a selection of paper money and coins from the past 250 years, right up through this era’s planned greenbacks.