Description:Lot of (7) Bill Russell autographed advertising proof sheets c.1972. Black and white 9"x13" proof sheet for Black and White Scotch depicting Russell smiling and holding basketball. Each has been signed by Russell across the front in either blue or silver sharpie. Ted Bates & Co. promotional proof stampings at bottom margin dated 1972. Includes auction LOA from JSA and seven individual certificates of provenance from Bill Russell: NM