A Rare Vintage Wilt Chamberlain and Bill Russell Signed Autograph 1960 Philadelphia Warriors vs Boston Celtics Scorecard (BAS Beckett Authentication Services Certified), from the 50th game of the 1959-60 campaign. Chamberlain and the Warriors won this battle of the Titans 124-116. The completed scorecard is inscribed with uncommon period signatures by the Hall of Fame big men "Wilt Chamberlain" and "Bill Russell." Autograph reviewed and certified authentic by Beckett Authentication Services (BAS).