This Autographed Rolling Stone Magazine has been Personally Signed by Adam "MCA" Yauch, Michael "Mike D" Diamond & Adam "Ad-Rock" Horovitz of Beastie Boys. 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. This item has been professionally framed to overall dimensions of approximately 26.5 x 30.5 inches.