Several currency denominations have been discontinued by the U.S. Treasury, ... The $10,000 bill was the largest denomination ever to be printed for public circulation in the United States.

Currently the highest denomination of US currency that the government issues is the $100 bill, which some have advocated retiring from circulation. Greg Heilman. Update: Oct 9th, 2024 12:34 EDT.

On a regular basis US currency is given a makeover to improve security in order to prevent counterfeiting. Here’s when the $20 bill will have its turn.