The coin you have is a Braided Hair Half Cent from the year 1857, minted in Philadelphia, United States of America. Designed by Christian Gobrecht, this coin is made of copper and features a diameter of 23 mm. It weighs approximately 5.44 grams and has a plain edge. This particular coin belongs to a series that is known for its distinctive braided hair design, which was a popular motif during the mid-19th century. The mintage for this particular year was quite limited, with only 35,180 pieces produced, which can contribute to its collectible value. Given these properties, this Braided Hair Half Cent represents an important piece of American numismatic history. As a half cent coin, it carries a denomination equivalent to $1 in contemporary currency but is valued more for its rarity, historical significance, and condition among collectors. The "Special" production type designation indicates that this coin may possess unique characteristics or was struck under distinctive circumstances, further enhancing its appeal to numismatists and collectors alike. Whether you are looking to buy, sell, or simply appreciate numismatic art, this 1857 Braided Hair Half Cent is a noteworthy example from its series.