Her article in thepeerage is here.
From the Christie's Web site.
The gold and emerald parure enhances Anne Cust's green velvet dress.
Keywords: 1830, Ross, Anne Cust, Anne Middleton, Lady Middleton, Cust family, Middleton family, British, curly coiffure, bun, earrings, chemise, modesty piece, off shoulder scoop neckline, criss-cross bodice, vee neckline, draped jeweled bodice ornament, clasps, quarter length full sleeves, belt, jeweled buckle, natural high waistline, fur boa