The product is an old rare $20 bill error note from 1885 issued by the United States. It is classified as a Federal Reserve Note and falls under the category of Small Size Notes in the realm of US Paper Money. This banknote is circulated and ungraded, with an apparent/net grade designation and a certification number of 8 out of 10. It does not have official certification, but it holds historical value and is a sought-after collector's item due to its age and rarity.