This Autographed Auto Graded Gem Mint 10! 1990 Topps #414B Rookie Card has been Personally Signed by Frank Thomas of the Chicago White Sox. This item is 100% Authentic, it comes slabbed and authenticated by Beckett Authentication Services. This is a stock item in which we have several available. The one you will receive will be of equal quality to the one pictured. This item can be verified through BAS Slabbed.