www.usa.gov/currency

Feb 26, 2019 ... United States Currency. Learn about U.S. paper and coin money, or learn how to convert between international currencies.

www.factmonster.com/math/money/facts-about-us-money

When was paper money first printed in the U.S.? The U.S. Department of the Treasury first issued paper U.S. currency in 1862 to make up for the shortage of ...

www.uscurrency.gov/about-us/currency-facts

Currency paper has tiny red and blue synthetic fibers of various lengths evenly ... No matter the denomination, a banknote weighs approximately 1 gram.

www.uscurrency.gov

Explore the security features of U.S. currency ... Listen to our podcast to learn more about U.S. currency. ... Get ready to have fun and learn all about U.S. bills.

www.federalreserve.gov/faqs/currency_12773.htm

Apr 2, 2019 ... There was approximately $1.70 trillion in circulation as of January 31, 2019. This figure includes Federal Reserve notes ($1,655.2 billion), U.S. ...