Providence, Rhode Island. Providence Bank. March 4, 1861. $20. About Uncirculated. Proof.(RI-380 G92 SENC). American Bank Note Co., New-York. India paper only. Three color tinting. Dark red 20 center, over green medallion TWENTY, over lathe of lighter red TWENTY guilloche pattern. Left end, Knowledge standing, leans on column. Lower right, young girl. 20 above. Another stellar tri-color proof. These are rarely encountered or offered for sale. Very few banks would pay the immense cost for such notes with this technique. Just two vertical folds are present and verso side hinges. We handled another in our 2013 ANA sale which brought $5,698.75.