Obsolete currency (also known as copyright or broken copyright) was issued by banks throughout the antebellum and Civil War era from the 1780s as a result of 1866 in The usa. Presumably backed by gold, this currency was employed locally to simplify commerce for transactions demanding gold coins. https://cesarumhnc.bleepblogs.com/34351471/the-smart-trick-of-how-to-check-copyright-that-no-one-is-discussing