This is a 2018 Sacagawea Dollar, minted in Denver, United States of America. The coin features the design of Glenna Goodacre on the obverse, portraying Sacagawea, a Native American woman who played a crucial role in the Lewis and Clark expedition. The reverse, designed by Michael Gaudioso, typically features a depiction of an eagle in flight or other symbolic imagery related to the nation. The coin has a denomination of $1 (One Dollar) and is composed of a unique blend of metals, specifically 77% copper, 12% zinc, and 1% other metals over a pure copper core. It has a diameter of 26.5 mm and a weight of 8.1 grams. This particular coin is part of a limited mintage, with only 1,400,000 struck, making it a collectible piece for coin enthusiasts. The edge is lettered, which adds a distinct characteristic to the coin. Though it has no mint mark, its production type is a Mint Strike, ensuring high quality. As a coin of the Sacagawea Dollars series, it celebrates cultural history and is a testament to American values. Its face value is one dollar, but like many collectible coins, its market value may vary based on demand, condition, and rarity among collectors.