This Autographed Interscholastic League Baseball has been Personally Signed by Joe DiMaggio of the New York Yankees. This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by Beckett Authentication Services. The authenticity can be verified on Beckett Authentication Services website. We only offers Authentic Autographs by Joe DiMaggio through Signings, In-Person Signings or Private Collections to include a 100% money back Lifetime Authenticity Guarantee.