The creme de la creme of Oakland A's baseball history are regaled on this special baseball that comes from the collection of Dave Parker and also has a signed LOA from him. The official American League (Brown) baseball is NRMT and features 15 signatures that average 7/10. They include: Fingers, R. Jackson, Canseco, Hunter, McGwire, Blue, Eckersley, Parker, R. Henderson, LaRussa and more.