en.wikipedia.org/wiki/United_States_dollar

The United States dollar is the official currency of the United States and its territories per the ..... In 1869, Supreme Court ruled in Hepburn v. Griswold that ...

en.wikipedia.org/wiki/United_States_v._$124,700_in_U.S._Currency

United States of America v. $124,700 in U.S. Currency, 458 F.3d 822 (8th Cir. 2006), was a decision of the United States Court of Appeals for the Eighth Circuit  ...

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.xe.com/currencyconverter/convert/?Amount=1&From=USD&To=BRL

Convert 1 US Dollar to Brazilian Real. Get live exchange rates, historical rates & charts for USD to BRL with XE's free currency calculator.

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 ...