This Autographed 8x10 Photo has been Personally Signed by Brittany Young, Marc Maron, Mariana Palka, Betty Gilpin, Rebekka Johnson, Sydell Noel, Kia Stevens, Britt Baron & Kevin Kiley of Glow. This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by Beckett Authentication Services. The authenticity can be verified on Beckett Authentication Services website.