Reggie Jackson or Mr. October for his outstanding performances in the postseason is baseballs most memorable clutch player. In 7 Fall Classics the 1973 AL Most Valuable Player hit 10 homers and had a .357 batting average. With 563 career home r Jackson became the first player to hit 100 or more homers with three different teams the Oakland As the New York Yankees and the California Angels. In 1993 Mr. October became an official member of the Baseball Hall of Fame. This Reggie Jackson autograph is guaranteed authentic and includes a Certificate of Authenticity and an accompanying tamper-evident Steiner Hologram. The Steiner Seal Means Its Real. It also includes a Hologram from MLB Authentication. Steiner Sports is the Official Memorabilia Partner of the New York Yankees.