Purple People Eaters Autographed/Signed Pro Style Purple XL Jersey BAS 29415 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is a custom pro style purple XL jersey with sewn on name and numbers that was personally autographed by the Purple People Eaters including Carl Eller, Jim Marshall, Alan Page and Gary Larsen. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.