The size and beauty of the mounts make this piece an outstanding work of the so-called “Fontainebleau School”, already described in the inventory of goods at the Château de Pau, made for Queen Jeanne III in 1561-1562, among the objects that made up the treasure of the kings of French Navarre. The inventory of her son Henry IV confirms its presence among the royal possessions, this time in Paris, i
A vessel made up of three pieces of jasper and one of agate. The oval body, with a diminished arch profile, is carved with ten gadroons and engraved leaves separated by ribs with arrises. On the lower part is a broad round mount with a pattern of lambrequins (drapery) and foliage, enamelled in dark blue and opaque white with small touches of pink and black. This is joined to a button ending in its