Mariano Rivera Yankees Signed'99 WS MVP Official 1999 World Series Baseball (JSA). An official Rawlings MLB 1999 World Series baseball autographed by Mariano Rivera with'99 WS MVP inscription and authenticated by JSA. This autographed piece of memorabilia comes with an official Certificate of Authenticity from James Spence Authentication LLC that guarantees the authenticity of the autograph. You can read more about all the qualified companies that we use to ensure the authenticity of all our autographs and their different types of certifications on our Authentication Services and Certificates page. From our warehouse in Nashville, TN.
For deliveries to HI, AK, and U. This autographed piece of memorabilia comes with an official. Certificate of Authenticity from James Spence Authentication LLC that guarantees the authenticity of the autograph. You can read more about all the qualified companies that we use to ensure the authenticity of all our autographs and their different types of certifications on our.
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