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Pictured: It was accompanied by a letter from Elizabeth expressing her 'heartfelt' gratitude for her support 'at such an important moment of one's life'. She reveals that the brooch was her husband Prince Philip's 'inspired' idea. She wrote on July 4, 1953: "I write to express my heartfelt thanks to you for standing in for me in the Abbey in the weeks leading up to my coronation. "It was extremely kind of you to be there to support me at such an important moment of ones life, and it gave me such tremendous confidence to know all was ready before the service.
A stunning diamond brooch the Queen gave to a duchess who stood in for her for a rehearsal of the Coronation has emerged for sale for £6,000.
Lavinia Fitzalan-Howard, Duchess of Norfolk, doubled as Elizabeth II at Westminster Abbey for the practice run as the new monarch was too poorly to attend.
The Duchess of Norfolk donated the brooch to a charity auction in 1956 with the help of Australian cricketer, Ray Lindwall, visiting the country for the Ashes.