Deandre ayton autographed and inscribed "2018 nba #1 pick" authentic spalding basketball - limited edition of 22 - super sports center & steiner sports authenticated this basketball was autographed by deandre ayton with the inscription "2018 nba #1 pick." it is officially licensed by the national basketball association and comes with an individually numbered, tamper-evident hologram from super sports center authenticated as well as steiner sports authentic. your signed item can be identified and verified for authenticity by entering the serial number from your hologram into our online database. this process confirms and guarantees that your collectible is authentic and eliminates all possibility of duplication and fraud.this product is guaranteed authentic and includes a super sports center certificate of authenticity and an accompanying tamper-evident hologram.