Featured is a Mariano Rivera signed New York Yankees 1998 World Series baseball. This ball was hand signed by Mariano Rivera and authenticated by MLB and Fanatics authentication services. Included with the baseball is a Fanatics hologram and certificate of authentication, and an MLB hologram. This item would make a great addition to any sports memorabilia collection!. SPECIFICATIONS Autographed By: Mariano Rivera Team: New York Yankees Sport: Baseball Authentication: Fanatics Authentic