100 Dollars - State of Illinois

This is not a federal issue. Illinois — like several other U.S. states — began exploring quasi-monetary instruments following renewed interest in state fiscal autonomy, but no U.S. state has issued legal tender banknotes since the National Banking Acts of the 1860s effectively ended that practice. Without additional catalog data clarifying the issuing authority, this almost certainly belongs to one of three categories: a novelty or commemorative item, a localized scrip or municipal coupon, or a misdescribed listing for a standard Federal Reserve Note with an Illinois district identifier.

The Chicago Fed — the Seventh District — issues notes bearing the letter G. That detail, not a state name, is the correct attribution for any circulating U.S. dollar note tied to Illinois.