The product is a 1990 Donruss Nolan Ryan #665 King of Kings front and back trading card. This baseball card features the legendary player from the Texas Rangers and is part of the 1990 Donruss set. It is a highly sought-after collectible among baseball fans and card collectors for its unique design and association with a Hall of Famer like Nolan Ryan. The card showcases Ryan in his Major League Baseball (MLB) career, making it a valuable piece of sports memorabilia from the 1990s.