Looking for the next big thing to add to your memorabilia collection? Well, this is it! Klay Thompson Hand Signed Full Size NBA Basketball! This is a very nice item as Klay hand signed this Spalding game model replica basketball in a silver paint pen! This item is a must-have for any Klay Thompson or Warriors fan's man cave, game room or office!! This autograph is certified authentic by Fanatics, one of the largest & most reputable authenticators in the industry. This piece includes the Fanatics tamper-proof authentication sticker can be verified as Authentic anytime/anywhere on their online database on their website by inputting the verification number on their hologram into the database.