The 2025 Topps Update Series - 1990 Topps Baseball Autographs Max Muncy #90AU-MMU is a sports trading card featuring a signature from Major League Baseball player Max Muncy. This card is part of the 1990 Topps Baseball Autographs insert set and is categorized under the Sports Trading Cards section. It is a rookie card for the Oakland Athletics team and is numbered 90AU-MMU in the 2025 season. This collectible item is ungraded and in near mint condition, making it a desirable addition for fans of baseball trading cards.