This Autographed 12x18 Mini Movie Poster has been Personally Signed by Tony Goldwyn, James Earl, James Gunn & Greg McLean of The Belko Experiment. 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. Press Pass Collectibles only offers Authentic Autographs by Tony Goldwyn, James Earl, James Gunn & Greg McLean through Signings, In-Person Signings or Private Collections to include a 100% money back Lifetime Authenticity Guarantee.