1991 NBA Conference Final Game 6 ticket stub Pistons Celtics SHARE ON: russ — February 13, 2020 Tags: 199190'sauburn hillsBasketballBoston CelticsDetroit MIDetroit PistonsMay 17NBANBA Conference FinalsThe Palace of Auburn Hills 1991 NBA Conference Final Game 6 ticket stub Pistons Celtics Winning bid: $13 Boston Celtics at Detroit Pistons Box Score, May 17, 1991 Click to view more Detroit Pistons ticket stubs