O.T. Got me curious......
"Currently in circulation the highest dollar bill is with a face value of $100, although the largest denomination of currency ever printed was the $100,000 Series 1934 Gold Certificate featuring the portrait of President Wilson, but never released for public circulation, only for official transactions between Federal Reserve Banks. Currency in denominations of $500, $1,000, $5,000 and $10,000 were pulled out of distribution in 1969, however, these notes are legal tender and may still be found in circulation today. According to the U.S. Treasury, the most common "one million dollar bill" is a nonnegotiable platinum certificates known as a "One Million Dollar Special Issue", originally sold by a Canadian firm for $1.00 each as a collectible item and are not redeemable."