This Autographed 16x20 1986 Felt Tour Poster has been Personally Signed by Jerry Garcia, Bobby Weir, Phil Lesh, Vince Welnick, Mickey Hart and Billy Kreutzmann of Grateful Dead. 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.