A Tribute to Baltimore Orioles Heroes 8 1/2 by 11 inch card sheet distributed by Upper Deck at the April 21, 1991 Orioles home game, autographed in black or blue marker by Orioles legends Paul Blair (deceased), Boog Powell and Hall of Famers Robin Roberts (deceased), Brooks Robinson and Earl Weaver (deceased). All autographs obtained in person. Authenticated by JSA with their matching numbered sticker on the sheet and certificate of authenticity card. ONLY ONE LEFT.