Add to Favorite Sellers. Michael Irvin Miami Hurricanes Autographed Riddell Camo Speed Mini Helmet – Fanatics Authentic Certified. Autographed College Mini Helmets. This mini helmet has been personally hand-signed by Michael Irvin. It is officially licensed by the NCAA and comes with an individually numbered, tamper-evident hologram from Fanatics Authentic. To ensure authenticity, the hologram can be reviewed online. Due to quantity levels, we do at times list a stock image of the product. This is done to standardize and expedite the listing process and only applies for merchandise that is comparably identical.