Rare 1917 Lincoln Wheat Penny no mint mark and a die break error, specifically missing the entire "L" in Liberty. rim collar error. This error coin is from the United States and was minted in Philadelphia. It is a business strike, meaning it was circulated and not a proof coin. The color of the coin is RB, indicating it has a red-brown patina. This unique and collectible coin would be a valuable addition to any numismatic collection. Special gift for the errored coin collector.