Clark Griswold Chicago Blackhawks authentic Pro Player white men's size medium jersey with double layer stitched cloth tackle twill numbers autographed on the back right 0 by actor Chevy Chase, who wore a jersey like this one in the classic movie Christmas Vacation. From a paid signing witnessed and authenticated by Beckett Authentication Services with their matching numbered sticker on the jersey and Witnessed certificate of authenticity card, also has numbered Chevy Chase personal authentication sticker. NOTE: the front (unsigned side) of the jersey has very light brown stains near the bottom noticeable only upon close inspection. ONLY ONE AVAILABLE FOR SALE.