About #161 - 20 dollars type 1875-1880
United States. United States Treasury. Large Size Legal Tender Notes. 1875-1880 Issues. Watermark: No. Material: Paper. No security thread. Printer: Colombian Bank Note Company (CBNC), Washington. Front printing in red and black. Description of front: Left, a portrait of American politician, financier, intellectual and military officer Alexander Hamilton (1757-1804). The Act of March 3, 1863 is located vertically on the left edge. On the right, the statue of a Victory holding a sword and raising a shield. Two variants of seals: Large and brown or red and small and numbering in red or blue. The frame has the words "TWENTY - XX - DOLLARS - 20" and the letters "US" repeated. A large black rosette with the number "20" in the center. Numerous combinations of signatures with the Register of the Treasury and the Treasurer of the United States. Description of the back: Frame and safety background made up of arabesques and rosettes in repetition. In the center, a large rose window and on the left, the text of the law: “This Note is a Legal Tender…” and the values “XX” and “20” in the corners. The issuing company of the banknotes is indicated in the bottom center. The back is printed in green called "Greenback (money)".