Description:2022 Philadelphia Phillies game used base from Harper grand slam game (MLB Authenticated). Citizens Bank Park 1st base used during innings 7-9 of the June 5th game against the Angels in which Bryce Harper hit a grand slam in the bottom of the 8th, and Bryson Stott ended the game with a walk-off homer in the bottom of the 9th. MLB Authenticated serial #YP057980 hologram sticker is on the base: EX