Philadelphia, Pennsylvania. Bank of the Northern Liberties. ND (18xx). $50. Choice Uncirculated. Proof.(PA-470 G124) India paper only. Underwood, Bald, Spencer & Huffy. Philad/Danforth, Underwood & Co. New York. Interesting allegorical vignette in left end panel. Portrait of George Washington in right end panel. Horses, eagle and shield at center. Medallion heads with overlaid 50 left and right of center. A boldly printed Proof with excellent paper quality. Just two were seen in the ABNC sale.