Sketch for a ceremonial sword mounted with rubies, pearls and... diamonds, Joseph Chaumet, circa 1910. Collection Chaumet Paris.

Portrait of the maharadja of Cooch Behar, whose family was... client of Chaumet, 1913.

Sketch for a maharadja crown made of diamonds and... emerald cabochons, Joseph Chaumet, circa 1910. Collection Chaumet Paris.