This Autographed Card with the inscription of "Boba Fett, (Boba's voice) & Bossk" has been Personally Signed by David Prowse, Jeremy Bulloch, Alan Harris, Jason Wingreen & Bill Hargreaves 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.