This is a rare 1989 Upper Deck baseball trading card featuring Gary Sheffield of the Milwaukee Brewers. The card is a Star Rookie Error Card with an upside-down SS. It is part of the 1989 Upper Deck Set and has the card number 13. The card is in excellent quality and is a great addition to any trading card collection. The card is in its original condition, has not been tampered with, and is ready for shipping.