Shown here is an interest bearing note in the denomination of $20, issued in 1864. Upon maturity of the note one year after issue, 5% interest was payable. The note features vignettes of a mortar firing and Abraham Lincoln on its obverse.
See another denomination: $10, $50, $100Banknote: American Bank Note Company and National Bank Note Company; image courtesy of the National Numismatic Collection at the National Museum of American History (Smithsonian Institution)