Certificate of Authenticity (coa)- Each item comes with a COA from Coast to Coast Collectibles and a Tamper-proof hologram all autographs are 100% authentic and obtained by Coast to Coast Collectibles personally. Proof Pictures - The proof photo(s) in our listings shows the athletes/celebrity signing for us and will be included with item. Feedback - Once you receive your item please leave us feedback once you leave us feedback we will do the same for you. Thanks for viewing our items.