The product is a Mike Holmgren signed Green Bay Packers #1 jersey with authentication from James Spence Authentication (JSA). This original autographed item belongs to the category of Sports Mem, Cards & Fan Shop, specifically in the Football-NFL section. The jersey celebrates the Super Bowl XXXI Champion win by the Green Bay Packers, making it a valuable collectible for fans of the team. Made in the United States, this unique item is a must-have for any football memorabilia collector.