This product is a Shai Gilgeous-Alexander signed OKC Thunder jersey in size L, certified by JSA. As an original autographed jersey, it holds value for basketball fans and collectors looking for a genuine piece of memorabilia from the NBA player. The authenticity of the signature is verified by the JSA certification, adding to the appeal and significance of the item. Fans can proudly display this jersey as a special memento of their favorite player.