To learn how to check if yours is and why some currency and coin collectors across the country are willing to pay so much for ...

One other fun fact about $1 bills: They were the first U.S. currency to feature the motto, “In God We Trust.” The most valuable $1 bills won’t make you wealthy the way a valuable coin worth ...

There are few more instantly recognisable images than the United States’ one-dollar bill. But the note has undergone a number of changes since the introduction of paper currency in the ...