The 2026 Topps Series 1 Luis Castillo #MLMA-LC Game Used Relic Auto Green /99 trading card is a highly collectible item featuring a label or sticker autograph from the Major League Baseball player Luis Castillo. This limited edition card is part of the 2026 Topps Series 1 set and is authenticated by Topps, making it a valuable addition to any sports trading card collection. With only 99 copies in existence, this green parallel variety card includes a piece of game-used memorabilia, making it a rare find for fans of the Seattle Mariners and baseball enthusiasts alike.