Philadelphia, Pennsylvania. Kensington Bank. ND (18xx). $500. Proof. Gem Uncirculated.(PA-440 G52a) Bald, Cousland & Co. Philadelphia/Baldwin, Bald & Cousland. New York. India paper only. Full red lathe tint with large white D protector at center. Sidewheel steamship at center. Men working in factory at bottom left. Factory by river at bottom right. Die counter 500s at top left and right. An absolutely beautiful high denomination Color Proof with vivid inks and sharply printed design elements. The margins are large and even. The pink ABNC stamp on the back is seen with minimal show through.