This Missouri Tigers Riddell SpeedFlex Midi helmet has been hand signed by 3 Mizzou All-Americans; Chase Daniel; Jeremy Maclin and Chase Coffman. This is Riddell's new mid size helmet that is between the size of a full size helmet and a mini helmet. This item is authenticated by JSA - James Spence Authentication; one of the top authenticators in the industry. Their tamper-evident sticker featuring a QR code and serial number is on the item. The authenticity can be verified online by entering the serial number or scanning the QR code.Item pictured may not be the exact item you will receive. It will be similar quality; and we guarantee your satisfaction.