The product is a 1939 Jefferson Nickel error coin with no mint mark. This circulated coin has a denomination of 5 cents and was minted in Philadelphia. Despite being circulated and uncertified, the coin is still considered valuable for collectors due to its error feature. The error coin showcases the iconic image of Thomas Jefferson on the obverse and the Great Seal of the United States on the reverse. This unique piece of American currency offers a glimpse into the history and minting process of US coins.