Autographed in person by: George Thorogood, Jeff Simon, Bill Blough, Hank Carter, and Jim Suhler We Offer a 100% Guarantee Of Authenticity! All Purchased Items Come With A Certificate Of Authenticity , insist on third party authentication, We work Exclusively With Collectors And Third Party Authentication To Ensure That Every Item Is Absolutely Authentic! And We Want You To Know That Unlike Most Autograph Dealers, All Sales Are Not Final Here, You Can Return Any item for any reason for up to 30 days, and authenticity is guaranteed for life!