An unmissable opportunity for any baseball card collector, this rare 1990 Upper Deck Don Mattingly card is a must-have for any Yankees fan. With a unique error making it stand out from the rest of its series, it is a valuable addition to any collection. This single card has been well-preserved and is of original manufacture, meaning you can be sure you are getting a genuine item. The card has been kept in standard size and is in English language. Get your hands on this unique item today!