Old Paris Coin is a type of coin minted in France during the 19th century. It was also known as the 'franc' and was the official currency of France from 1795 to 2002. The coins were made of gold, silver, and copper and were used for everyday transactions. They were also used to pay taxes and fees. The coins were widely circulated and were accepted as legal tender in many countries. Old Paris Coins are now highly sought after by collectors due to their rarity and historical significance.