STEVEN YEUN - The Walking Dead AUTOGRAPH Signed 8x10 Photo C STEVEN YEUN - The Walking Dead AUTOGRAPH Signed 8x10 Photo C Authentic and Hand-Signed by Steven Yeun Certified Authentic with a Certificate of Authenticity This item is only available at TopPix Autographs. Legitimate autograph dealers will ALWAYS create their own unique Amazon items and post clear pictures of the exact item for sale. COA from TopPix Autographs - UACC Registered Dealer #328 & AFTAL Approved Dealer #103