Giannis Antetokounmpo Signed Milwaukee Bucks Framed 16x20 Photo JSA 29385 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is a professionally framed 16x20 photo that was personally autographed by Giannis Antetokounmpo. Includes a certificate of authenticity from James Spence Authentication (JSA) and Denver Autographs.