Hello, I'm an expert in the field of numismatics, which is the study or collection of currency, including coins and banknotes. I can provide you with accurate information regarding the existence of a $500 bill in US currency.

There has been a $500 bill in US currency, but it is no longer in production or circulation. The $500 bill was one of the large denomination bills that were printed in the United States until the mid-20th century. The last series of $500 bills were printed in 1945, and they depicted William McKinley, the 25th President of the United States. However, these bills were officially discontinued and were called in to be replaced by smaller denominations. Today, the highest denomination bill commonly seen in circulation is the $100 bill.

It's important to note that while these large denomination bills are no longer in circulation, they can still be found in the hands of collectors and are considered legal tender. However, their use in everyday transactions is extremely rare due to their value and the potential for counterfeiting.

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The largest denomination Federal Reserve note ever issued for public circulation was the $10,000 note. On July 14, 1969, the Federal Reserve and the Department of the Treasury announced that banknotes in denominations of $500, $1,000, $5,000, and $10,000 would be discontinued due to lack of use.read more >>