Celtics great Tom Heinsohn has personally hand-signed this I/O Basketball and inscribed it Boston Strong-Tom Heinsohn played ten seasons with the Boston Celtics between 1956 and 1965. During this stretch the Celtics enjoyed a streak of unparalleled dominance winning eight NBA titles. Heinsohn was a key piece of these championship teams as a six time All-Star and a four time All-NBA Second Team. Upon his retirement the Celtics honored him by retiring his number 15 jersey. Following his successful career as a player Heinsohn joined the Celtics as a coach winning the NBA Coach of the Year Award in 1973 and two more NBA titles in 1974 and 1976. This Tom Heinsohn autograph is Guaranteed Authentic and include a Steiner Sports Certificate of Authenticity and accompanying tamper-evident Steiner Hologram.