Today, they tend to be very rare and valuable. You might be surprised to learn that 100-dollar bills are the most common currency in circulation today. The Federal Reserve estimates that there are ...

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 ...

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 coin can be worth a ton of money — a pretty penny, one might say — if it’s rare and has enough historical ... The value of an 1878 S Liberty Seated Half Dollar in average condition is ...

Despite the $100 dollar bill being the most circulated cash component, the paper money is set to undergo a makeover. As the world increasingly shifts toward digital payment systems, the future of ...

There have been 46 presidents in U.S. history, but only a few appear on coins and bills that most people ... began issuing Presidential Dollar coins in the 2000s. Most are worth about face value ...