Trading football cards are collectible cardboard or plastic cards featuring association football players, teams, and stadiums. They are collected, traded, and sometimes used in table-top games by fans worldwide. Major manufacturers like Topps and Panini produce these. Base and Insert Cards: Standard player profiles, stats, and action shots. Parallels: Limited-edition variations of base cards with distinct coloured borders, shiny finishes, or unique serial numbers. Autographs/Relics: Premium "hit" cards containing a player's genuine signatures and pieces of match worn kit.