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

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

Diamond brooch, circa 1900, Vienna 1900: An Imperial and Royal Collection, 2023

Impressive ruby and diamond tiara, circa 1896, Vienna 1900: An Imperial and Royal Collection, 2023

Exceptional' Collection of Royal Jewels Coming to Auction This Fall

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

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

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

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

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

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

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