Clay Matthews Autographed Green Bay Packers Eclipse Mini Helmet JSA 36248 The number in the listing title is just an inventory sku for our records and is not the authentication number. The item pictured is a stock photo unless otherwise noted. This is a Green Bay Packers eclipse mini helmet that was personally autographed by Clay Matthews. Includes a certificate of authenticity from James Spence Authentication (JSA) and Denver Autographs.