The Coronet Head Cent is a type of coin produced by the United States Mint from 1816 to 1857, with the 1828 edition being notable for its distinctive design featuring Lady Liberty with a coronet. The coin is made of copper and has a diameter of 28 millimeters. The 1 One Dollar denomination coins in this era, such as the 1828 Coronet Head Cent, are part of the larger numismatic category that includes pieces valued for their historical significance and rarity among collectors. Collectors often seek these coins due to their unique designs and the role they played in U.S. monetary history.