en.wikipedia.org/wiki/United_States_Note

A United States Note, also known as a Legal Tender Note, is a type of paper money that was ... Existing United States Notes remain valid currency in the United States; however, as no United States Notes have ..... granted the federal government very broad power to issue Legal Tender paper through the case Juilliard v.

en.wikipedia.org/wiki/History_of_the_United_States_dollar

In the absence of an international mechanism tying the dollar to gold via fixed exchange rates, the dollar ...

www.usa.gov/currency

Feb 26, 2019 ... Learn about American money. ... American Money. The United States issues paper currency and coins to pay for purchases, taxes, and debts.

www.federalreserve.gov/faqs/currency_12773.htm

Apr 2, 2019 ... This figure includes Federal Reserve notes ($1,655.2 billion), U.S. notes ($0.2 billion), currency no longer issued ($0.2 billion), and coins ...

www.uscurrency.gov/history

In order to finance the Civil War, Congress authorizes the U.S. Department of the Treasury to issue non-interest-bearing Demand Notes. These notes earn the ...