The coin in question is a 2020 American Innovation Dollar, which is a part of the United States Mint's series celebrating innovation and innovators in the country. The denomination of this coin is $1 (One Dollar), and it is classified as a Proof coin, which is known for its high-quality finish and mirror-like appearance. This particular coin does not have a mint mark, indicating that it was produced at the main mint facility. However, it has a notable mintage of '0', suggesting it might be a special edition or a limited release, potentially making it a highly sought-after item among collectors. The composition of the coin includes a blend of metals, consisting of 88.5% copper, 6% zinc, 3.5% manganese, and 2% nickel. The diameter of this coin is approximately 26.49 mm, which is standard for American dollar coins. The edge type is not specified but is typically smooth for Proof coins. As a collectible piece from the United States, this 2020 American Innovation Dollar represents the rich history of innovation in America, although the specific designer and details about the edge type remain unspecified. Given its special status, condition, and unique properties, this coin may hold significant value in the numismatic market.