French gold and enamel bracelet set with seven oval carved hardstone intaglios, £8500 at Henry Adams.

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It comes in a contemporary fitted case for Fossin et Fils, the firm founded by Jean-Baptiste Fossin (1786-1848) that is a predecessor of Chaumet.

The atelier was patronised by the Paris elite in the 1830s-40s when this archaeological revival piece was made.