This Autographed 12x18 Photo has been Personally Signed by Billie Jean King, Alan Cumming, Eric Christian Olsen, Cooper J. Friedman, Austin Stowell & Natalie Morales of Battle Of The Sexes. 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. Press Pass Collectibles only offers Authentic Autographs by Billie Jean King, Alan Cumming, Eric Christian Olsen, Cooper J. Friedman, Austin Stowell & Natalie Morales through Signings, In-Person Signings or Private Collections to include a 100% money back Lifetime Authenticity Guarantee.