This Autographed 5 3/8x9 Chicago Chapter Baseball Writers' Association Of America 17th Annual Diamond Dinner Program has been Personally Signed by Mickey Mantle of the New York Yankees. This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by JSA. The authenticity can be verified on JSA website. We only offers Authentic Autographs by Mickey Mantle through Signings, In-Person Signings or Private Collections to include a 100% money back Lifetime Authenticity Guarantee.