The term 'QUEEN's Crown' is often used to refer to a TIARA, which is a type of headpiece traditionally worn by royalty. A TIARA is typically made of precious metals and jewels, and is often adorned with intricate designs. It is usually worn as a symbol of power and status, and is associated with the monarchs of many countries. The term 'QUEEN's Crown' is also sometimes used to refer to the crown of a QUEEN consort, which is a crown worn by the wife of a reigning king.