The authenticity can be verified on Beckett Authentication Services website. This Autographed Auto Graded Gem Mint 10! 4x6 Obi-Wan Kenobi Photo has been Personally Signed by Alec Guinness of Star Wars. This item is 100% Authentic, it comes slabbed and authenticated by Beckett Authentication Services. The authenticity can be verified on Beckett Authentication Services website.