Description:2022 Philadelphia Phillies game used pitching rubber (used all postseason home games)(MLB Authentication) 6"x6"x24" heavy rectangular pitching mound rubber with stone filling the center. Used during all 2022 postseason games at Citizens Bank Park including Game 4 of the World Series in which the Astros combined for only the 2nd no-hitter in World Series history. MLB Authenticated serial #YP303491 (BRT) hologram sticker is affixed: EX