A Tribute to 1971 Heroes 8 1/2 by 11 inch commemorative card sheet distributed by Upper Deck exclusively at the August 25, 1991 Detroit Tigers home game, autographed in black marker by Bill Freehan, Willie Horton, Al Kaline and Mickey Lolich. Although the sheet was issued to commemorate the 1971 team, these four are much better known as stars of the 1968 World Series Champions Team. Has minor corner flaws and wear. Obtained in person. With certificate of authenticity from AutographsForSale.com. Completely signed sheets are extremely rare. ONLY ONE AVAILABLE FOR SALE.