The coin in question is a 1951 Lincoln Wheat Cent, minted in San Francisco, designated by the mint mark 'S'. This coin is a representation of the iconic Lincoln series, known for its reverse design featuring two stalks of wheat, which gives it its nickname. Produced as part of the United States coinage for the year 1951, this particular penny has a denomination of 1 cent, or one penny, and is composed of bronze. It weighs approximately 3.11 grams and has a diameter of 19 millimeters. The total mintage of this coin reached 136,010,000, making it relatively common compared to other years within the series. The obverse features a portrait of President Abraham Lincoln, which is a hallmark of this series. Despite its widespread production, the coin retains historical significance and charm, which appeals to both casual collectors and numismatists alike. Its condition and any additional characteristics can enhance its desirability and value within the marketplace. Overall, the 1951-S Lincoln Wheat Cent is a testament to mid-20th century American coinage and a cherished piece of history for collectors.