This Autographed Green Jersey has been Personally Signed by Shawn Kemp of the Seattle Supersonics. This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by JSA Witness. This is a JSA Witnessed Protection Program item which means a JSA representative was present when this item was being signed. 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 JSA Witness. This is a X-Large sized, non-branded, custom-stitched Jersey.