While I was looking for something else (and on which I should post soon on this board... ), I could find another event, on 11 June, 2003, during which this badge was worn by the Queen:
Caption: Britain's Queen Elizabeth II receives Professor James Lovelock who she invested with the insignia of a Companion of Honour, at Buckingham Palace, London, on June 11, 2003 (Credit: Alpha/Globe Photos Inc 051731 06/11/2003 A13215, via Spokeo.com)
Caption: Britain's Queen Elizabeth II with representatives of the Queen's Lancashire Regiment who presented a Golden Jubilee gift on behalf of the regiment, at Buckingham Palace, London, on June 11, 2003 (credit: Alpha/Globe Photos Inc 051731 06/11/2003 A13215, via Spokeo.com)
No question from me, I just wanted to share with you.