This Autographed 11x17 2012 Concert Poster has been Personally Signed by Slash, Miles Kennedy, Todd Kerns, Brent Fitz & Frank Sidoras. 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. Poster signed in-person by Slash and his band mates on 9/05/12 at the Celebrity Theatre in Phoenix, AZ. The dimensions of the poster are 11��� X 17���. The band members who signed this include Slash, Myles Kennedy, Brent Fitz, Todd Kerns and Frank Sidoris. This is a rare original piece of history used for promotion for this show produced by concert promoter Danny Zelisko. This item will be accompanied by a letter of authenticity signed by concert promoter Danny Zelisko as well.