This baseball has been personally hand-signed by Sandy Koufax. It has been obtained under the auspices of the MLB Authentication Program and can be verified by its numbered hologram at MLB.com. It also comes with an individual numbered, tamper-evident hologram from Fanatics Authentic. This process helps to ensure that the product purchased is authentic and eliminates any possibility of duplication or fraud.
Comes fully certified with Certificate of Authenticity and tamper-evident hologram. Also backed by SportsMemorabilia.com's Authenticity Guarantee
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