Sotheby's on Instagram: "Worn by one of the greatest athletes of the 20th century, this historic Wilt Chamberlain jersey from the 1968-69 NBA season bore witness to the only convergence of two of the NBA’s great early rivalries: the personal rivalry between Wilt and Boston’s Bill Russell, and the team rivalry that had emerged between the Los Angeles Lakers and Boston Celtics. Photomatched to two NBA Finals games, Wilt wore this jersey in game six, which saw him play every second and record eight