Our 200% Money Back Guarantee corresponds to the authenticity of the autographs we sell. If any autograph we sell is deemed "not authentic" by any of the 3 major authentication companies (James Spence Authentication, Professional Services Authenticaiton, or Beckett Authentication Services) we will give you 200% of you money back. For example, if you paid $100 for an autograph, and JSA, PSA, or Beckett deem it's "not authentic" we will give you $200 money back. This is how much we stand behind our autographed memorabilia.