This is an official Major League baseball that was personally autographed by Reggie Jackson with ""77 WS MVP"" inscription. Known by many as Mr. October, Reggie played his 21 year career with the Athletics, Orioles, Yankees, and the Angels. He finished his Hall of Fame career with 2584 hit and 563 home runs. He is a 14x All Star, 4x World Series Champion, 2 with the A's and 2 with the Yankees and 2x World Series MVP. This includes a certificate of authenticity from James Spence Authentication (JSA) and Denver Autographs.