This is a 1999 World Series baseball that was personally autographed by Mariano Rivera with MVP inscription. Includes a certificate of authenticity from James Spence Authentication (JSA) and Denver Autographs.
This is a 1999 World Series baseball that was personally autographed by Mariano Rivera with MVP inscription. Includes a certificate of authenticity from James Spence Authentication (JSA) and Denver Autographs.
This product comes fully certified with a Certificate of Authenticity and tamper-evident hologram and is fully backed by Supersportscenter.com's Authenticity Guarantee.