Analysis of information sources in references of the Wikipedia article "St Edward's Crown" in English language version.
The Heraldic Crown which enjoys the Royal favour, differs from both No. 562, and the State Crown, No. 624, and inclines to the type of an earlier time ; this Heraldic Crown of our Most Gracious Sovereign is represented in No. 334, page 332, ensigning the Royal Shield of Arms.
The Royal Arms and its constituent parts are protected by perpetual Crown copyright, and may only be re-used by His Majesty the King, members of the Royal Family, government departments and official holders of the Royal Warrant.