The 2025 Topps Chrome Update Green Wave Refractor #USC55 Walker Buehler /99 is a single baseball trading card featuring the player Walker Buehler from the Boston Red Sox. This original card is part of the Topps Chrome Update set for the 2025 season, with a unique Green Wave parallel variety and serial numbering. Manufactured by Topps, this modern card is a collectible item for fans and collectors of Major League Baseball memorabilia.