2017-2018 Panini Flawless Signature Prime Materials Ruby #28 Jayson Tatum autograph card has been graded and encapsulated by BGS Gem Mint 9.5 with an autograph grade of 10. Sub-grades are centering 9.5; edges 9.5; corners 9.5; and surface 9. Card is #7 of 15 and has a bold and clear signature in blue ink beneath a two color jersey swatch. This is one of just four to be graded Gem Mint with none higher.