This coin is a 1961 Lincoln Memorial Cent, struck at the Philadelphia Mint. As a proof coin, it features a high-quality finish, typically with a mirror-like surface that showcases its details beautifully. The coin is made of bronze and has a weight of approximately 3.11 grams, along with a diameter of 19 millimeters. The obverse side of the coin showcases the iconic image of President Abraham Lincoln, while the reverse displays the Lincoln Memorial design, which is characteristic of the series. This particular coin bears the 'P' mint mark indicating it was produced in Philadelphia, which is significant as this was the only mint to strike proof cents in 1961. With a total mintage of 3,028,244, this 1961 proof Lincoln cent is a collectible item for numismatists and enthusiasts alike. Its denomination is one cent (1¢), or simply known as a penny. Given its proof status and the relatively high mintage, it holds value primarily for collectors looking for coins in pristine condition. Overall, this coin not only represents an important piece of American currency but also serves as a tribute to the legacy of Abraham Lincoln, making it a notable item in any collection.