Reliquary Bust of Saint Yrieix latter 13th C. France, Limousin, Church of Saint-Yrieix-la-Perche. Gilded silver, rock crystal, gems, glass, originally over walnut core with silver leaf and gesso on interior. Saint Yrieix, skull was once contained in this reliquary. He was the 6th C. founder of a monastery south of Limoges that still bears his name. A special veneration of reliquaries in the form of the heads of local saints developed in the Limousin region during the Middle Ages.