For Gladys Vanderbilt, later Countess Széchenyi (as well as her cousin Consuelo Vanderbilt, the inspiration for Gladys Russell in The Gilded Age), a tiara was central to that transformation. On November 10, a piece of that tiara will come up for auction at Phillips Auction House in Geneva, along with eleven other items owned by the family. Gladys Vanderbilt wearing the tiara Courtesy of Phillips Auction House A portrait of Count László Széchenyi painted in 1931 by Philip de László. Estimate: $100,000-150,000 / CHF80,000-120,000 Courtesy Phillips Auction House Diamond comb, early 20th century. Estimate: $8,000-12,000 / CHF 6,000-9,500 Phillips Auction House Gold and sapphire purse, and a diamond, ruby and pearl purse, circa 1890.