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

A coin can be worth a ton of money -- a pretty penny, one might say -- if it's rare and has enough historical significance.

Buying $100 In KLAC: If an investor had bought $100 of KLAC stock 20 years ago, it would be worth $1,574.21 today based on a price of $750.74 for KLAC at the time of writing.

Many people think $2 bills are rare, but in reality, there are millions still in circulation, and they continue to be printed ...

Here’s a look at which $2 bills are worth the most, why they hold their value and how you can determine if your $2 bill is ...