This coin is a **Flying Eagle Cent**, a notable piece of American numismatic history minted in **1857** at the **Philadelphia Mint**. It features a **denomination of 1¢** (One Cent, Penny) and is composed of **Copper-Nickel**, which gives it a distinctive look and feel. Produced in **Proof** quality, this particular coin is part of a limited mintage, with only **100 pieces** created, making it a rare find for collectors. The **Flying Eagle Cent** is known for its beautiful design, showcasing a stylized eagle in flight, symbolizing freedom and progress. With a **diameter of 19 mm** and a weight of **4.67 grams**, this small yet significant coin is a testament to the craftsmanship of the era. The production type of this coin indicates that it was struck under controlled conditions to produce a high-quality finish, making it desirable for collectors who appreciate fine, detailed work. Overall, given its limited mintage and historical significance, the 1857 **Flying Eagle Cent** with a **Philadelphia mint mark** offers not only aesthetic appeal but also considerable value in the numismatic market.