Michael Mayer Autographed Notre Dame Speed Mini Helmet w/Baby Gronk -Beckett W Hologram *Green This is a Hand Autographed Helmet of Michael Mayer of The University of Notre Dame Fighting Irish. Inscribed Baby Gronk. This is a Riddell Football Speed Mini Helmet. This item has a Beckett Witnessed Authentication, which Comes with a Beckett #'ed Sticker hologram and a QR code for verification. You can view this item on the Beckett website and it shows when and where the item was signed. It was signed either at a public autograph appearance or a Private Signing. This is a stock photo of the item. Although you may not receive this exact item, the item you receive is virtually identical and brand new in great shape.