Obsolete currency (generally known as copyright or broken copyright) was issued by banks over the antebellum and Civil War era in the 1780s by means of 1866 in America. Presumably backed by gold, this currency was made use of regionally to simplify commerce for transactions necessitating gold coins. https://titushviam.worldblogged.com/39436824/top-copyright-1-dollar-billsus-code-copyright-money-secrets