The product is a 2007 John Adams $1 Presidential Proof Coin graded PR-70 by IGS from San Francisco. This uncirculated coin features a proof strike type and comes certified with number 5172100. It is a collectible piece of US currency in the Presidential series, specifically showcasing the image and information about John Adams. A valuable addition to any coin enthusiast's collection, this $1 coin is a pristine example of American history in mint condition.