This Autographed Auto Graded Gem Mint 10! 1979 Topps #63 Card with the inscription of "1978 #1 Pick" has been Personally Signed by Mychal Thompson of the Portland Trail Blazers. This item is 100% Authentic, it comes slabbed and authenticated by Beckett Authentication Services. We conducted an autograph signing with Mychal Thompson where multiples of the same item were signed. 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. This item can be verified through BAS Slabbed.