An auction site called U.S. Currency Auctions estimates that uncirculated $2 bills from 1890 could sell for at least $4,500.

Are some $2 bills worth more money? Michael Steinmetz, vice president of Steinmetz Coins & Currency Raiden Honaker, ...

Rare coins and bills that haven’t been released to the public are often worth a lot of money thanks to an error or specific mint condition, but what about $2, $50 ...

If you have a $2 bill burning a hole in your pocket, think twice before spending it at some store. The bill itself might be worth a lot more than two dollars — enough to build some serious wealth.

Not all money is created equal and when it comes to versatility, $20 bills reign supreme. Whether it's for a quick errand, an ...

You probably won’t get lucky enough to have one that old lying in the back of a drawer or up in a box in your attic. So what about more recent ones? You never know until you check. A $2 bill issued in ...

At the time of writing, a sheet of 50 connected 1 dollar (about 157 yen) bills can be purchased for $86 (about 13,600 yen), a sheet of 8 connected 2 dollar (about 310 yen) bills for $36 (about ...