8 1/2 by 11 inch commemorative card sheet produced and distributed by Upper Deck exclusively at the July 12, 1993 Upper Deck Heroes of Baseball All-Star Game, autographed in black or blue marker by all five featured Hall of Famers: Reggie Jackson, Al Kaline, Jim Palmer, Brooks Robinson and Frank Robinson (the latter three among the greatest Baltimore Orioles ever; Jackson also briefly starred for the Orioles). Has minor flaws and wear. Completely signed sheets are very rare. Obtained in person. With certificate of authenticity from AutographsForSale.com. ONLY ONE AT THIS PRICE AVAILABLE FOR SALE.