This Autographed Charles Feeney Onl Baseball with the inscription of "No. 7" has been Personally Signed by Mickey Mantle & Roger Maris of the New York Yankees. This item is 100% Authentic and comes with a PSA/DNA Certification Card and a matching numbered Hologram.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.