Mark McGwire has personally hand signed this 8x10 Photo. This item comes with a numbered JSA authenticity sticker on the autographed item, which you can verify online once you purchase it. You will also receive a JSA Certificate of Authenticity. JSA is one of the top third party authenticators in the memorabilia industry. Get The REAL DEAL!
Comes fully certified with Certificate of Authenticity and tamper-evident hologram. Also backed by SportsMemorabilia.com's Authenticity Guarantee
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