8 1/2 by 11 inch commemorative card sheet distributed by Upper Deck exclusively at the July 8, 1991 MLB All-Star Heroes of Baseball game in Toronto, autographed in blue Sharpie by Hall of Famers Lou Brock, Bob Gibson, Reggie Jackson, Fergie Jenkins and Brooks Robinson. Has minor flaws and wear. Completely signed sheets are extremely rare. Obtained in person. Authenticated by JSA with their matching numbered sticker on the sheet and certificate of authenticity card. ONLY ONE LEFT.