en.wikipedia.org/wiki/Large_denominations_of_United_States_currency

Large denominations of United States currency greater than $100 were circulated by the United States Treasury until 1969. Since then, U.S. dollar banknotes ...

www.uscurrency.gov

The Federal Reserve Board's U.S. Currency Education Program ensures that the public has access to education, training, and information about Federal ...

www.uscurrency.gov/denominations

The first $1 Federal Reserve note was issued in 1963, and its design—featuring President George Washington and the Great Seal of the United States—remains  ...

www.usa.gov/currency

The United States issues paper currency and coins to pay for purchases, taxes, and ... Learn how to use the security features in the design of U.S. paper money.

www.investopedia.com/slide-show/past-us-currency-denominations

While we can choose from an array of singles, fins, sawbucks, Jacksons and Benjamins, there are other denominations that the U.S. Treasury has discontinued.