This Autographed 8x10 Photo has been Personally Signed by Paul McGillion of Stargate Atlantis. This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by Wizard World Authentics. A Wizard World Authentics representative was present when this item was being signed, the date of the signing is notated on the COA. The authenticity can be verified on Wizard World Authentics website.