This Autographed Auto Graded Gem Mint 10! 2019 Panini Prizm #16 Card has been Personally Signed by Larry Bird of the Boston Celtics. This item is 100% Authentic, it comes slabbed and authenticated by Beckett Authentication Services. We have multiples of this same item. While the photographs are representative of this item, the size, placement and strength of the signature may vary. Each item is hand signed, therefore, each autograph is unique.