While the $2 note is still in circulation and the Bureau of Engraving and Printing recognizes it as legal tender, it is the rarest currency denomination in the U.S. The last series of $2 bills was ...

We kid you not. The highly credentialed author of a paper advocating the prohibition of large currency denominations declared, "Introducing negative interest rates would create a powerful ...

In the banking world, some currency denominations are more popular than others. While most people are familiar with the common $1, $5, $10 and $20 bills, the humble $50 often goes overlooked.