Leonora, Countess of Lichfield (nee Lady Leonora Grosvenor; she’s a sister of the late 6th Duke of Westminster) wears a tiara at her wedding to the 5th Earl of Lichfield at Chester Cathedral, 8 March 1975

Edwina Mountbatten, Countess Mountbatten of Burma wears her pearl tiara (owned today by her daughter, Lady Pamela Hicks) at the Dominion Day dinner at the Canadian Women’s Club in London, 21 February 1950

Pamela Murray, Countess of Mansfield wears a wreath tiara at the Royal Caledonian Ball, ca. 1957