The monogram A de C possibly stand for Anna Gould de Castellane. Born in New York on 5 June 1875, she married Count Boni de Castellane (1895-1392). Anna was the daughter of Jay Gould who built a huge fortune in American railways. In 1895, the year they married in New York she was said to own 15 millions dollars (390 millions today). They settled in Paris avenue Bosquet but with the expending art acquisitions made by Boni, they soon decided to built a fantastic palace, call the Palais Rose, avenue du Bois de Boulogne (now avenue Foch). It was inspired by the Versailles Grand Trianon. It was built in two and a half years an cost 100 millions dollars today. The expenses so consequent that they soon approached bankrupt. In 1906, Anna decided to divorce and married Boni's cousin, Hélie de Talleyrand-Périgord, Duke de꧒ Sagan.

Most of this Saracenic style enamel work designed by Edward C. Moore was done from 1886 to 1889, and several examples were shown by Tiffany at the 1889 Paris Exposition (see John Loring, Magnificent Tiffany Silver, pp. 64-73).