This is an 11×14 photo from the movie “National Lampoons Vacation” that was personally autographed by Chevy Chase. This photo includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs. Chevy Chase Autographed/Signed Vacation 11×14 Photo Clark Griswald BAS 25935. Add To Favorite Sellers. THE JOHN ELWAY COLLECTION. NFL & NCAA FOOTBALL ITEMS. NBA & NCAA BASKETBALL ITEMS. MEDIA GUIDES & PUBLICATIONS. All orders will be declared according to the checkout price. We are unable to change the items price due to carrier restrictions. We at DenverAutographs are proud to stand behind the quality of our products. We strive to make our customers’ return process hassle-free. To the right of each item, select “More Actions” and then “Return this Item”. Denver Autographs was founded in 1998. We have two retail locations in the Denver metro area. At both stores we carry a wide range of autographed and non-autographed items and have the perfect collectible for any sports and entertainment fan, whether it is for yourself or a gift for that special someone. Although we specialize in the home teams, we have plenty of other signed and unsigned items for Steelers, Yankees, Red Sox, Nebraska University, Red Wings, Cowboys, Raiders and many other professional teams.