Marcus Mariota Autographed Tennessee Titans Replica Speed Helmet ~Open Edition Items~<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>This helmet includes a Panini Authentic certificate of authenticity with a unique hologram number that corresponds to the hologram on the actual ball.</li><li>These holograms protect the integrity of the product and serve to guarantee the authenticity of the signature it bears.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51814xEBT4L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Y2-jVQe7L.jpg" noproxy>