Feel the power! The game's two greatest mondern sluggers have each signed official baseballs as part of this special home run collection. Mark McGwire signed this Official National League ball at the ballpark in 1999 with black sharpie. His signature rates a "9" out of a possible 10. LOA. Barry Bonds signed an Official Major League baseball in clear blue ink. His autograph rates a "9.5" out of a possible 10. It is from the Barry Bonds Company. A Bonds Co. hologram is affixed to the ball. Also included in this collection are tickets and ticket stubs from many of these two sluggers' milestone home runs. There are 14 Mark McGwire ticket stubs featured including his 62nd HR of the 1998 season and the 500th of his career. 13 Bonds ticket stubs are featured including his record setting 73rd HR and his 600th and 660th career blasts. 4 tickets from the 2002 World Series are also included in this collection. The ticket stubs average NRMT.