Several pieces of jewellery that belonged to the Duchess of Genoa, née Princess Lydia of Arenberg will be on sale at Christie's Auction in Geneva. The auction will take place on November 12:
Among the jewels being sold are pins and necklaces of other members of the House of Savoy, including a pearl and diamond brooch which was given to Princess Lydia by Queen Elena for her wedding.
Just in case anyone's interested, Noblesse & Royautes have also linked the auction's catalogue, which has more information about the jewels and a preview of the auction which is taking place in 5th Avenue, New York. You can find them here