Brandon Graham & Darius Slay Philadelphia Eagles Autographed Speed Helmet Official NFL Riddell helmet with signature from Eagles stars Brandon Graham and Darius Slay - authenticated by James Spence Authentication (JSA) This officially licensed NFL speed replica helmet has been signed by Eagles defensive stars Brandon Graham and Darius Slay. All autographed memorabilia comes with a certificate of authenticity and a matching hologram. Hand-Signed by Philadelphia Eagles defensive stars Brandon Graham & Darius Slay Signatures are bold and clear on the helmet Slay signature includes Big Play Slay inscription! Official NFL Riddell speed helmet Includes JSA certificate of authenticity and matching hologram