The product is a 1966 Lincoln Penny that was minted without a mint mark, and has an error on the rim with the letter "L". This coin belongs to the Lincoln Memorial series and is composed of copper. It was struck as a business coin in Philadelphia and is certified as uncertified. This collectible piece is a unique addition to any coin collection, showcasing the error variety on a circulated penny from the United States.

Note, these coins may have other errors but I can’t be sure. Buy at your own risk!