The authenticity can be verified on Beckett Authentication Services website. This Autographed Card with the inscription of "Sail Cord (Kreysler), The Rig! (Tompkins)" has been Personally Signed by Bill Kreysler & Alan Tompkins 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.