The authenticity can be verified on Beckett Authentication Services website. This Autographed Auto Graded Gem Mint 10! Card with the inscription of "Boba's Voice (Wingreen), Boba Fett (Bulloch)" has been Personally Signed by Jeremy Bulloch & Jason Wingreen 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.