The product is a collection of US First Day Covers and Special Covers by the Postal Commemorative Society from the years 2007-2008. These colorful stamps feature various topics related to American history, including sports, inventions, and landmarks. The covers are from the United States and are used, with a First Day of Issue cancellation type. They are ungraded and uncertified, making them a unique addition to any stamp collector's portfolio, showcasing the rich history and cultural significance of the United States.