Foot reliquary of St Jacques and the Treasury of the Priory of Hugo d'Oignies. Among the notable pieces of the treasure of Hugo d'Oignies. you can admire a reliquary shaped right foot dedicated to St. James. This work. made of silver. copper and enamel. set with pearls. sapphires and precious stones. was executed by the brother Hugo Oignies in the mid-thirteenth century. Amazing!