Your $1 bill could be worth thousands — if it has these 3 things

FAYETTEVILLE, Ark. (KNWA/KFTA/NEXSTAR) — Have a few $1 bills lying around? Before you spend them, you may want to check if they're worth even more than a buck.Earlier this week, Wealthy Nickel, a finance blog, reminded currency collectors of an error the Bureau of Engraving and Printing made in the last decade.
As you likely know, every paper note the U.S. prints — from the lowly $1 bill to the $100 bill — is printed with a serial number. Like your Social Security number, there