OAL Bobby Brown Baseball Signed on the Sweet Spot by Rollie Fingers, Lot 708. OAL Bobby Brown Baseball Signed on the Sweet Spot by Rollie Fingers, who added his Hall of Fame induction date, “8/2/92.” Nm-m ball with a large, strong 10 ballpoint signature. Authenticated by Kevin Keating. Minimum Bid $40. Back to List Minimum Bid $40 Back to List