Later, as inflation took off, the difference between one dollar and two dollars shrank in comparison, making it feel kind of silly to have two bills so close together in value. Related: 5 Rare 100 ...

The $2 bill, with its iconic depiction of Thomas Jefferson on the front and the signing of the Declaration of Independence on the back, has long been a curiosity in the world of American currency.

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

By the way, did you know your pennies, two-dollar bills, or other rare coins and currency could command high prices at auction, too? When it comes to value, coin condition is critical. Collectors ...