To many collectors of nineteenth-century silver and objets de vertu, imperial Russia is the fount of Europe’s most exotic work. And even for those who can only dream of its legacy de luxe, mention of Mother Russia immediately triggers thoughts of one name, Fabergé. Coffeepot marked by Antip Ivanovich Kuzmichev (active c. 1856-1900), Moscow, c. 1890. Stamped “Made for Tiffany …