This Autographed 15x20 Mothers Milk Album Mechanical Layout Collection has been Personally Signed by Anthony Kiedis, Flea, Chad Smith, & John Frusciante of Red Hot Chili Peppers. 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.