Bo Jackson Autographed Raiders Midi SpeedFlex Helmet GTSM Witnessed This Raiders SpeedFlex Midi helmet was hand signed by Bo Jackson. It comes with an individually numbered; tamper-evident hologram from JSA. To ensure authenticity; the hologram can be reviewed online. This process helps to ensure that the product purchased is authentic and eliminates any possibility of duplication or fraud. The Riddell MIDI helmet bridges the gap between mini and full-size helmets: it retains the on-field-inspired SpeedFlex shell and aesthetic; adds a visor; and comes in a handy mid-size format (~7.5" tall) that's ideal for collectors. It isn't meant for playing; but is meant for display; autographs; or fan collections. It offers a versatile; newly unique collectible option. Authenticator Pre-Certified Authenticator: GTSM Authenticated Describe how you came to possess this item: