This Autographed Yellow Jason Mask with the inscription of "Kill For Mama! Jason 1" has been Personally Signed by Ari Lehman of Friday The 13th. 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. Please refer to photos for condition prior to purchase.Press Pass Collectibles only offers Authentic Autographs by Ari Lehman through Signings, In-Person Signings or Private Collections to include a 100% money back Lifetime Authenticity Guarantee.