I think I've narrowed it down to January 13, 1976 or December 9, 1977 based on several factors like Bill's hair, Boston roster, box score on the road at Boston. I'm getting a signed photo of it and want to know for sure. I'm leaning towards '77 because Lionel Hollins was a starter that year. An he only played 8 mins in the '76 game off the bench in what I'm assumed was garbage time. Anyone know for sure? Getty Images is vague.