Jace Sternberger Autographed Texas A&M Aggies White Mini Helmet JSA 30880 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is a Texas A&M Aggies white mini helmet that was personally autographed by Jace Sternberger. Includes a certificate of authenticity from James Spence Authentication (JSA) and Denver Autographs.