Litchfield, Illinois. $20 1882 Brown Back. Fr. 497. The First NB. Charter #3962. PCGS Banknote Choice Uncirculated 63 PPQ. Bright paper and dark burgundy overprints stand out on this Choice Uncirculated example of this Montgomery County issuing bank note, which also retains fully original paper. Track and Price reports just six 1882 Brown Back $20s known on this bank, with this example being a new and welcomed addition to the current census.