This Autographed "Go" Promotional Sample Cd Cover w/Disc has been Personally Signed by Eddie Vedder, Mike McCready, Jeff Ament, Stone Gossard & Dave Abbruzzese of Pearl Jam. 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 Eddie Vedder, Mike McCready, Jeff Ament, Stone Gossard & Dave Abbruzzese through Signings, In-Person Signings or Private Collections to include a 100% money back Lifetime Authenticity Guarantee.