In all matters:
arising under any treaty;
affecting consuls or other representatives of other countries;
in which the Commonwealth, or a person suing or being sued on behalf of the Commonwealth, is a party;
between States, or between residents of different States, or between a State and a resident of another State;
in which a writ of Mandamus or prohibition or an injunction is sought against an officer of the Commonwealth;
the High Court shall have original jurisdiction.