There is $1.54 trillion of U.S. currency in circulation, and 97% of that is Federal Reserve Note

Over two-thirds of all $100 bills are held outside the U.S.

Dollar bills can be folded at least 8,000 times, which is 20 times more than a normal sheet of paper

The highest dollar denomination that has ever been in circulation is $10,000

The first American coins were minted in 1792

$1 bills represent 45% of entire currency production

The "In God We Trust" phrase first appeared on coins during the Civil War and has been added to all coins since 1955

Over two-thirds of all $100 bills are held outside the U.S.

The buffalo, depicted on a five-cent coin ("bison nickel"), once wandered in the Bronx Zoo

$100 interest-bearing note from 1864 worth at least $200,000 today