This coin is a 2006 Sacagawea Dollar minted in Denver, United States. It features the distinctive designs created by Glenna Goodacre and Thomas D. Rogers Sr. The coin has a diameter of 26.5 mm and weighs approximately 8.1 grams, composed of a metal alloy that includes 88.5% copper, 6% zinc, 3.5% manganese, and 2% nickel. It possesses a plain edge and has a mintage of 847,361 pieces, which classifies it as a special production type. This coin does not feature a mint mark, which is characteristic of certain coins from that year. As a part of the Sacagawea Dollar series, this coin is notable for its tribute to the Native American Shoshone woman who played a crucial role in the Lewis and Clark Expedition. While it is primarily a commemorative piece, it also functions as a currency in the United States, representing a denomination equivalent to one dollar. The intricate design and relatively low mintage can influence its collectibility and value among coin enthusiasts.