The product is a circulated $1 Federal Reserve Star Replacement Note from the US Series 2021, with certification number D06431460*. This note is uncertified and ungraded, making it a unique piece of paper money from the Federal Reserve. Star Replacement Notes are issued when a star symbol is printed on a bill in place of a serial number, indicating that the note was a replacement for a damaged or misprinted bill. This particular note features a star symbol in place of a serial number, adding to its rarity and collectibility.