Sara Troughton head trustee of Blair Castle and half sister of Ian 10th Duke of Atholl wore this tiara at her wedding. She was the daughter of the Hon. Angela Pearson by her second marriage to Robert Campbell-Preston, 12th of Ardchattan. Angela was daughter to the 2nd Viscount Cowdray and his wife Agnes Spencer Churchill, grand daughter of the 6th Duke of Marlborough. I have never seen a tiara worn by an Atholl Duchess but this could be an Atholl heirloom. Or Cowdray. Or Preston. Or Marlborough. It looks very similar to the Devonshire and Derby tiaras, and the necklace looks similar. Does anyone know anything about it.
https://ibb.co/pyZd3yq