1988 Official MLB World Series Baseball Oakland Athletics v San Francisco Giants, with Commissioner Peter Ueberroth stamped signature and marked Costa Rica.  This would be the second year Rawlings manufactured balls in Costa Rica after leaving Haiti in 1987.  Very clean, original, never used except to display. Minor toning, excellent condition. Enlarge photos to see all details and condition. This and other balls listed were given to me in the 1980s-1990s by someone who worked at Rawlings.  No box.  Check out my other listings; will combine shipping if requested. Fast shipping.  D