Kyle Kuzma Autographed/Signed College Style Black XL Jersey BAS 31098 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is a custom college style black 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.