Gem set, diamond and gold tie pin, circa 1910, Vienna 1900: An Imperial and Royal Collection, 2023

Vienna 1900: The Imperial and Royal Collection - Côte d'Azur Sotheby's International Realty

Gem set and diamond comb, 1890s, Vienna 1900: An Imperial and Royal Collection, 2023

Vienna 1900: An Imperial and Royal Collection, 2023

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

Garnet and diamond tie pin, circa 1900, Vienna 1900: An Imperial and Royal Collection, 2023

Antique Sapphire Brooches - 1,733 For Sale at 1stDibs vintage sapphire brooch, antique sapphire brooch, sapphire broach

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

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

Vienna 1900 hi-res stock photography and images - Alamy

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

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