Detailed interpretation of this banknote: 1990 edition small-headed $100 asterisk replacement note 1. Basic Information Face Value: 100 USD (ONE HUNDRED DOLLARS) Edition: Series 1990 (1990 edition), a small $100 edition (old edition $100, the classic old format before the 2013 Cordon Bleu 100-dollar and 2017 new 100-dollar edition) Type: Federal Reserve Note (Federal Reserve Note, the mainstream U.S. dollar type in circulation) Portrait: Benjamin Franklin (American Founding Father, Scientist, Diplomat, $100 fixed portrait) 2. Prefix and Issuing Bank Initial letter B = Federal Reserve Bank of New York The round stamp on the left side bears the B logo, corresponding to the New York branch code 3. Key Special Points: At the end ★, asterisk notes (replacement number coupons) Serial number: B03134677★ The US dollar serial number ends with an asterisk "★", representing the supplement note (Star Note). If a banknote has printing defects, damage, or becomes void during printing, an additional asterisk note is printed to replace it, making up for the total number of banknotes in the set; The asterisk issue is far less than regular numbers, and its collectible value is higher than that of regular same-edition US dollars.