Upper Deck Heroes vs. Red Sox Heroes 8 1/2 by 11 inch commemorative card sheet distributed by Upper Deck exclusively at the May 29, 1993 Boston Red Sox home game, autographed in black marker by all four featured players: Chicago Cubs Hall of Famer Ernie Banks, Chicago White Sox great Minnie Minoso, former Boston Red Sox pitcher Earl Wilson (deceased) and legendary Boston Red Sox outfielder Carl Yastrzemski. Has minor wear. Obtained in person. With certificate of authenticity from AutographsForSale.com. Completely signed sheets are extremely rare. ONLY ONE AVAILABLE FOR SALE.