Baseball greatness runs in the Griffey and Bonds families. Here are (2) baseballs, one signed by each father/son pair. Includes: Official National League (White) baseball has been signed by father and son power hitters, the late Bobby Bonds and Barry Bonds. Bright white ball with MT signatures in blue ball-point. Bobby's on the sweet spot and Barry is just below on adjoining panel; Official American League (Brown) baseball has been signed by the first father and son to ever play in the Majors simultaneously, Ken Griffey and his oldest son, Ken Griffey Jr. White ball with MT signatures in blue ball-point, both on the sweet spot.