Kyle Kuzma Autographed/Signed Pro Style Purple XL Jersey BAS 31096 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 Kyle Kuzma. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.