Tee Higgins Signed Clemson Tigers National Champions Mini Helmet BAS 29437 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is a Clemson Tigers black Schutt National Champions mini helmet that was personally autographed by Tee Higgins. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.