This is a The Walking Dead Signed Authentic 8X10 Photo that has been Personally Signed & Autographed by Andrew Lincoln & Greg Nicotero. This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by PSA/DNA #Z56270.Press Pass Collectibles offers a 100% Lifetime Guarantee on all Autographed & Signed Andrew Lincoln & Greg Nicotero memorabilia.