The product is a lot of four 1990 Topps Ken Griffey Jr #336 trading cards. These vintage baseball cards feature the rookie card of the legendary player from the Seattle Mariners. Manufactured by Topps, the cards are part of the MLB World Series set and are made of card stock. Although not autographed by Ken Griffey Jr, these original cards are a must-have for any baseball card collector looking to add a piece of sports history to their collection.