 Superimposed in the centre is a dark blue roundel bearing a Roman E surmounted by a Royal Crown within a chaplet of roses, all gold-coloured, obscuring the centre ship.The central blue disc is taken from the Queen's Personal Flag, which is used by the Queen in relation to her role as Head of the Commonwealth.The flag is flown continuously on any building in which the Queen is in residence and by a ship transporting the Queen in New Zealand waters.