SPRINGFIELD, Mass. (WGGB/WSHM) – The Naismith Basketball Hall of Fame in Springfield announced the grand opening of The Vault: Boston Celtics Unlocked, the hall’s newest and most innovative exhibit made possible by the kind donation of MassMutual. Guests will enter an immersive bank vault for a unique journey through the history of the NBA’s most storied franchise, with current and former Celtics legends serving as guides for the celebration of Celtic pride, from Walter Brown to Jaylen Brown. Celtics legend and class of 2021 hall of fame enshrined Paul Pierce will cut the ribbon to admit the first guests into the vault. Tickets for the event are available online at etix.com or at the door. The event begins on Friday, May 31.