This Autographed 16x20 Photo has been Personally Signed by Kevin Costner of Bull Durham. 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 Kevin Costner through Signings, In-Person Signings or Private Collections to include a 100% money back Lifetime Authenticity Guarantee.