This Autographed 16x20 Photo with the inscription of "Darth Vader (Prowse), Boba Fett (Bulloch)" has been Personally Signed by David Prowse & Jeremy Bulloch of Star Wars The Empire Strikes Back. This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by Beckett Authentication Services.The authenticity can be verified on Beckett Authentication Services website.