This Pittsburgh Pirates team-signed baseball dated to 1960-1961, includes members of the team that stunned the New York Yankees in 1960 with Bill Mazeroski's walk-off home run in the bottom of the ninth inning of the 7th game of World Series, the first World Series to end with a home run.

Mazeroski is one of the Hall of Fame signers of this “Pittsburgh Pirates” model ball, the other being the legendary Roberto Clemente. Other key signatures include Smokey Burgess Harvey Haddix, Bill Virdon, Dick Stuart. Don Hoak and Vern Law. The Danny Murtaugh signature is Clubhouse.

This creamy ball has (10) signatures in dark black pen (“7 to 9”). The rest are in a lighter blue pen (“4 to 7”), with (6) very faint. Full LOA from James Spence/JSA. Opening Bid $250.