This Autographed 2.25x4.15 Cut Signature has been Personally Signed by Mickey Mantle & Roger Maris of the New York Yankees. This item is 100% Authentic, it comes slabbed and authenticated by PSA/DNA. The authenticity can be verified on Professional Sports Authenticator website. Press Pass Collectibles only offers Authentic Autographs by Mickey Mantle & Roger Maris through Signings, In-Person Signings or Private Collections to include a 100% money back Lifetime Authenticity Guarantee.