The product is a circulated 2011-D Sacagawea Wampanoag Treaty $1 Dollar Coin from the United States. This coin features a Native American design, specifically Sacagawea, minted in Denver. It is a business strike type and is uncertified. The coin holds historical significance as it commemorates the Wampanoag Treaty, making it a valuable addition to any coin collection focused on Native American history and numismatics.