Brooks Robinson and Johnny Unitas autographed Baltimore Memorial Stadium Last Game cachet envelope JSA

Gateway cachet envelope commemorating the last game played at Baltimore Memorial Stadium autographed in blue Sharpie by Orioles Hall of Famer Brooks Robinson and the late Colts Hall of Famer Johnny Unitas, who threw out the ceremonial first pitches. Authenticated by JSA with their matching numbered sticker on the back and certificate of authenticity card. ONLY ONE AVAILABLE FOR SALE.