Several currency denominations have been discontinued by the U.S. Treasury, and others are still in circulation but rarely used.

While $500 bills are no longer in circulation, a few special printings of this tender could fetch you quite a bit of money on the resale market.

You might get $3,800 or more for an 1869 note. More recently, the USCA lists a value of $500 on certain uncirculated $2 bills from 1995. If you have a $2 bill from the 2003 premium Federal Reserve set ...

Depending on the year and how it was circulated, some $2 bills are now worth thousands. Here's how to check the value of your bills.