This Autographed Photo has been personally hand-signed by Andy Dalton. The item comes with a Certificate of Authenticity (COA) from PSA/DNA which can be verified online. Your order is backed by Sports Collectibles 100% Lifetime Guarantee. Sports Collectibles Online is the online leader in authentic signed Andy Dalton memorabilia. All of Sports Collectibles items signed by Andy Dalton come from in person autograph sigings or private collections. Add to your growing NFL Memorabilia collection with a certified autograph from the great Andy Dalton.