1967 World Series BaseballYou could have either or. You have to determine if the ball you have features hand signed signatures or a stamped signature that would appear on a souvenir Baseball or commemorative. You also have to determine which team signed the ball or if the signatures are of players from both World Series teams. In 1967 official regular season baseballs were used. It was not until 1978 when Rawlings started making the official World Series game baseballs that have an Official World Series Stamp. If your baseball has a 1967 World Series logo it could be a commemorative baseball with stamped signatures.