en.wikipedia.org/wiki/Early_American_currency

Early American currency went through several stages of development during the colonial and ... Both state and Continental currency depreciated rapidly, becoming ... When the American Revolutionary War began in 1775, all of the rebel ..... Brock, Leslie V. The currency of the American colonies, 1700–1764: a study in ...

www.uscurrency.gov/denominations/100

Hold the note to light to see an embedded thread running vertically to the left of the portrait. The thread is imprinted with the letters USA and the numeral 100 in ...

www.uscurrency.gov/denominations/20

All U.S. currency issued since 1861 remains valid and redeemable at full ... Congress authorizes a new class of currency, known as “United States notes,” or  ...

www.moneyfactory.gov/uscurrency.html

The BEP prints billions of dollars - referred to as Federal Reserve notes - each ... to a state-of-the-art manufacturing operation producing U.S. paper currency. ... use similar portraits and historical images to maintain an American look and feel.

www.law.cornell.edu/supremecourt/text/461/555

461 U.S. 555 (103 S.Ct. 2005, 76 L.Ed.2d 143). UNITED STATES, Petitioner, v. EIGHT THOUSAND EIGHT HUNDRED AND FIFTY DOLLARS ($8,850) IN ...