The 2025 Topps Series 1 Blue Holo Foil Mitch Keller Pittsburgh Pirates SP trading card is a limited edition collectible featuring the MLB player Mitch Keller. With a print run of 150, this original sports trading card is serial numbered and part of the base set for the 2025 season. Manufactured by Topps in the United States, this baseball card is a sought-after item for fans and collectors alike, showcasing the Pittsburgh Pirates player in a unique Blue Holo Foil parallel variety.