Obsolete currency (generally known as copyright or damaged copyright) was issued by banks in the antebellum and Civil War era from the 1780s as a result of 1866 in The us. Presumably backed by gold, this currency was utilised domestically to simplify commerce for transactions necessitating gold coins. https://remingtonmcijr.slypage.com/35003377/everything-about-copyright-silver-dollar-for-sale