Collection of two 1975 Boston Red Sox World Series ticket stubs, and a 1975 Boston Red Sox American League Championship Series (ALCS) ticket stub, each signed on the reverse in black marker by Boston Red Sox Hall of Fame outfielder Carl Yastrzemski. PSA has encapsulated each ticket stub and certified the signature as "Authentic." The two World Series tickets (2x5.25") were issued, respectively, for the historic Game 6, in which Carlton Fisk hit his dramatic game-winning home run, and Game 7. The ALCS ticket stub (1.5x2.75") was issued for Game 2. Each ticket remains in Excellent to Mint condition.