This autographed pair of boxing trunks has been personally hand-signed by Mike Tyson. This autograph is certified by James Spence Authentication's (JSA) Witnessed Protection Program. That means that a JSA representative was present when this item was signed. It comes with the numbered authentication hologram with a scannable QR code card that verifies the authentication on the JSA website.The autograph also includes an official Mike Tyson hologram from Fiterman Sports Group for authenticity purposes.Authentication: Tyson Hologram