This is a rare opportunity to own a unique piece of US paper money. The Series 2021 $1 banknote features a fancy serial number L66666786E with a trinary multiple 6s, making it a desirable addition to any collection. It was manufactured in the United States and is in circulated condition. The note is ungraded and uncertified, adding to its uniqueness. Don't miss out on the chance to own this exceptional piece of currency.