This Autographed Black Nike Swingman Framed Jersey has been Personally Signed by Shai Gilgeous-Alexander of the Oklahoma City Thunder. This item is 100% Authentic and comes with a PSA/DNA Certification Card and a matching numbered Hologram. The authenticity can be verified on Professional Sports Authenticator website. The jersey is also authenticated by JSA, but does not come with the matching numbered COA. This item has been professionally framed to overall dimensions of approximately 32 x 37 inches.