Description:"Birth of a Dynasty" Boston Celtics team auto. print. Numbered 13/20 'player's proof" depicting the 1956-57 Celtics team signed by Russell, Auerbach, Cousy, Sharman, and Heinsohn. Piece has also been signed by Wilt Chamberlain. 20"x24" matted and framed. Includes LOA from PSA/DNA J.Spence-S.Grad: NM