Diontae Johnson Pittsburgh Steelers Autographed Speed Mini-Helmet Official NFL Riddell Mini-helmet signed by Steelers star Diontae Johnson - authenticated by James Spence Authentication (JSA) This officially licensed mini-helmet has been hand-signed by Steelers star wide receiver Diontae Johnson. The signed mini-helmet has been boldly signed by Johnson using white paint pen. Diontae has also added his #18 to the signature. The signature has been authenticated by JSA and will include a tamper-proof hologram & certificate. Hand-Signed by Steelers star Diontae Johnson Signature is bold and clear on the mini-helmet Official NFL Riddell mini-helmet Includes JSA certificate of authenticity and matching hologram