Emerald and diamond tie pin, circa 1910, Vienna 1900: An Imperial and Royal Collection, 2023

Fine natural pearl and diamond brooch, late 19th century, Vienna 1900: An Imperial and Royal Collection, 2023

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

Emerald and diamond brooch, 1890s, Vienna 1900: An Imperial and Royal Collection, 2023

Vienna 1900: An Imperial and Royal Collection, 2023

Exceptional' Collection of Royal Jewels Coming to Auction This Fall

Fine diamond brooch, circa 1840, Vienna 1900: An Imperial and Royal Collection, 2023

An Antique Diamond and Platinum Scarab Stick Pin, Cartier, circa 1910 « Dupuis Fine Jewellery Auctioneers

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

Fine diamond brooch, circa 1840, Vienna 1900: An Imperial and Royal Collection, 2023