The authenticity can be verified on Beckett Authentication Services website. This Autographed Card with the inscription of "Is Darth Vader (Prowse)" has been Personally Signed by Carrie Fisher, David Prowse & James Earl Jones 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. The plastic encapsulation has significant chips in it. Please refer to the photos for item's condition prior to purchase.