This product is a William Shatner signed Star Trek Captain Kirk shirt uniform, authenticated by Prime Time Sports. As a television industry icon, William Shatner’s autograph adds value to this piece of entertainment memorabilia. The XL size makes it a standout piece for any Star Trek fan or collector, and the original autograph ensures its authenticity. Perfect for fans of the show or those looking to add a unique and valuable item to their collection. This Yellow Custom long sleeve Captain Kirk shirt is handsigned by William Shatner. It is authenticated by Primetime Sports. It comes with a certification sticker. This is your proof of authenticity.