The product is a Shai Gilgeous Alexander signed jersey from the Oklahoma City Thunder, authenticated by James Spence Authentication (JSA). There is also a photo of him signing the jersey giving additional evidence of it being a legit autograph. This jersey features a clear autograph making it a valuable collector's item for fans of Gilgeous-Alexander or the Oklahoma City Thunder. With the JSA COA included, buyers can have confidence in the authenticity of the autograph on this unique piece of sports memorabilia.