The product is a 1990 Donruss Ken Griffey Jr trading card (#365) from the Seattle Mariners. This card is part of the base set and is manufactured by Leaf, a well-known sports trading card company. With a warranty or guarantee, this collectible item is a valuable piece for fans of baseball and Major League Baseball (MLB) enthusiasts. The card showcases the iconic player in his early years, making it a sought-after item for sports memorabilia collectors.