The product is a 1990 Donruss Ken Griffey Jr #365 trading card featuring the Seattle Mariners outfielder during his rookie season in Major League Baseball. This error card is part of the baseball sports trading card set produced by the manufacturer Leaf. Although the card is from the base set, it is highly sought after by collectors due to its rarity as an error variation. The card is in good condition and is a valuable addition to any sports memorabilia collection.