The product is a 2007-S Native American Sacagawea Dollar graded as NGC Gem Proof. This coin has a copper composition with a fineness of .885. It was minted in San Francisco and carries a denomination of $1. The coin features a proof strike type and comes with a certification number from NGC. This top-grade coin is a valuable addition to any coin collection, showcasing the intricate design and high quality craftsmanship of the Native American series.