Tiara ordered by the Earl of Bessborough for his wife at the... occasion of his appointment as Governor of Canada, Marcel Chaumet, 1931. Mary, Countess of Bessborough.

Regence watch made of frosted rock crystal, emeralds..., diamonds and enamel, hanging on the lapel, Joseph Chaumet, 1924. Collection Chaumet Paris.

Portrait of Princess Youssoupov, born Grand-Duchess Irina of... Russia, wearing the articulated sun-shaped diamond tiara made by Chaumet in 1914.