The 2023 Panini Donruss Signatures Holo Zack Gelof #90S-ZG Auto is a highly sought-after sports trading card featuring an autograph from Major League Baseball player Zack Gelof. This card is part of the Donruss set manufactured by Panini for the 2023 baseball season. The autograph is in the form of a label or sticker, adding a unique touch to this rookie card. This collectible item is a must-have for fans and collectors of baseball trading cards, especially those interested in rare autographed cards from promising new players like Zack Gelof.