Apparently not - provided for the king to use when he's putting his crown on before the state opening of parliament. https://www.parliament.uk/about/living-her

Apparently not - provided for the king to use when he's putting his crown on before the state opening of parliament. https://www.parliament.uk/about/living-heritage/building/palace/architecture/palace-s-interiors/robing-room/ https://www.parliament.uk/about/living-heritage/building/pal...