Former currency refers to money that was once used in a specific country or region but has since been replaced or discontinued. This can occur due to various reasons, such as economic instability, inflation, or the adoption of a new currency. Examples include the German Mark, which was replaced by the Euro, and the Zimbabwean Dollar, which became obsolete due to hyperinflation. When a currency is deemed "former," it typically means that it is no longer accepted for transactions and has lost its legal tender status. Collectors and historians may find interest in former currencies, as they can provide insights into a nation's economic history and changes in monetary policy.