This is a Authentic Signed 11X14 Photo that has been Personally Signed & Autographed by Chevy Chase. This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by Beckett Authentication Services Witnessed #I49464. This is a BAS Witnessed Program item which means a Beckett Authentication Service representative was present when this item was signed. You can also see the authentication on the Beckett Authentication website and verify the date of the signature. We offers a 100% Lifetime Guarantee on all Autographed & Signed memorabilia. We offers a 100% Lifetime Guarantee on all Autographed & Signed Chevy Chase memorabilia.