The product is a 2024 Panini Flawless Penmanship Sapphire autographed card of Keith Hernandez, a former player for the New York Mets in Major League Baseball (MLB). This hard-signed card is made of card stock and is serial numbered with a limited print run of only 15 copies. Authenticated by Panini Authentic, this original sports trading card is a highly sought-after collectible for fans of baseball memorabilia.