This authentic jersey has been personally hand-signed by giannis antetokounmpo. it is officially licensed by the national basketball association and comes with an individually numbered, tamper-evident hologram from beckett authentic. to ensure authenticity, the hologram can be reviewed online. this process helps to ensure that the product purchased is authentic and eliminates any possibility of duplication or fraud. made in the usa personally autographed by giannis antetokounmpo beckett witnessed and authenticated includes tamper-evident hologram to ensure authenticity officially licensed this product is guaranteed authentic and includes a beckett certificate of authenticity and an accompanying tamper-evident beckett hologram.