Comes with a certificate of authenticity</br></br>Product Description</br></br>Robinson is the former Kansas Jayhawk?? who was the 2012 Big 12 Player of the Year and a 1st team All-American. He was the #5 overall draft pick by the Sacramento Kings in the 2012 NBA draft One of the best Jayhawks of all time. Fantastic collectible for the diehard Kansas fan and their are a lot of them! Signature is authenticated by James Spence Authentication (JSA). Comes with their certificate of authenticity (COA) and hologram # verified on their website. It is a "itness" COA?? which means a representative from JSA was present for the autograph signing and witnessed Thomas signing your jersey. Also comes with a photo from the signing of Thomas signing our jerseys. Signed on November 25?? 2012 in Sacramento?? CA. Custom jersey?? name and numbers sewn on?? size XL. Signed in blue.</br><br/>http://www.amazon.com/gp/product/B00OMBZ95Yl