Pair of diamond pins, circa 1860 and later, Vienna 1900: An Imperial and Royal Collection, 2023

Exceptional' Collection of Royal Jewels Coming to Auction This Fall

Vienna 1900' Auction Offers Glimpse of Grandeur and Glamour of Bygone – Beeghly & Co.

villaludovisi – Archivio Digitale Boncompagni Ludovisi

Antique Diamond Gold Circle Brooch, 19th Century For Sale at 1stDibs

Jewellery, Watches and Objects of Vertu (12 Sep 23) by Noonans Mayfair - Issuu

Sotheby's Vienna 1900: An Imperial and Royal Collection, 6 November 2023

Tray (stand) MNS/H/967 – In museums

Diamond and pearl tiara hi-res stock photography and images - Alamy

Two gem set and diamond presentation tie pins, early 20th century, Vienna 1900: An Imperial and Royal Collection, 2023

Sotheby's Vienna 1900: An Imperial and Royal Collection, 6 November 2023