Own a piece of baseball history with this 1989 Sports Illustrated poster featuring Mark McGwire of the Oakland Athletics. Measuring 22¼\" X 34½\", this poster is a perfect addition to any sports memorabilia collection. It is an original, vintage piece and is officially licensed by Sports Illustrated.

The poster is in excellent condition, showcasing the power hitter in all his glory. This collector's item is a must-have for any Oakland Athletics or Mark McGwire fan. Add it to your collection today!