Description:1984 USA Olympic team auto. baseball. MacPhail AL ball with slight game usage wear signed by (19) players incl. McGwire, Mack, McDowell, Clark, and coach Dedeaux. Robin Roberts has also signed the ball, signatures range from 7-9 out of 10, originated from the collection of a Tiger Stadium groundskeeper who got the ball signed during an exhibiton game played in Detroit. Includes LOA from Hunt Auctions,Inc.: EX-EX/MT