The product is a circulated 1977 Series One Hundred Dollar Federal Reserve Note with serial number B12121001B from New York District, “small head” design with an iteresting serial number. This banknote was issued by the Federal Reserve in the United States and is considered a small size note. It is uncertified and has not been modified. As a collectible item in the realm of paper money, this note holds historical and monetary value for those interested in US currency.