You are bidding on an officially licensed Riddell mini helmet. The signature was obtained in person and has already been authenticated by James Spence Authentication or JSA, so you know you're purchasing an authentic item.  The serial number can be looked up on their website, spenceloa.com at any time.  Shipping for this item will be $10.00 to the US .   Please message me with any other questions regarding this item and I will reply promptly.

Thanks for looking and check out my other great items.  I appreciate your business!