Jace Sternberger Autographed/Signed Green Bay Packers Logo Football JSA 30886 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is a Green Bay Packers white logo football that was personally autographed by Jace Sternberger. Includes a certificate of authenticity from James Spence Authentication (JSA) and Denver Autographs.