The authenticity can be verified on Beckett Authentication Services website. This Autographed 8x10 Photo has been Personally Signed by John Goodman, Elizabeth Perkins, Rick Moranis & Rosie O'Donnell of The Flintstones. This item is 100% Authentic, it comes slabbed and authenticated by Beckett Authentication Services. The authenticity can be verified on Beckett Authentication Services website.