The Topps Chrome Platinum 2025 Phillies Bryce Harper Mike Schmidt MLB 55DH-4 trading card set features two standard-sized cards made of card stock, highlighting Major League Baseball players Bryce Harper and Mike Schmidt from the Philadelphia Phillies. Manufactured by Topps in the United States, these English-language sports trading cards are part of the Topps Chrome set for the 2021 season. The cards are original and licensed, making them a sought-after collectible for baseball fans and card enthusiasts alike.