This Official National League (Giles) baseball holds nine signatures of various sports heroes and personalities, including baseball legend Jackie Robinson. Others who have signed the ball include baseball Hall of Famer Frank Frisch, boxing greats Joe E.. Lewis, Mickey Walker and Abe Attell, Olympic gold medal marathoner Johnny Hayes, swimmer Gertrude Ederle, famous writer Bob Considine and evangelist Billy Graham. All of the signatures are written in black pen. The ball is clean and makes for quite an interesting display piece.