John Dillon posted today on the Medieval Religion discussion group about the several saints called Ferreolus, and one in particular. I have adapted his post as follows:
The reliquary of St Ferreolus at Nexon
Today is the principal feast day of Ferreolus of Limoges in Nexon (Haute-Vienne) and his day of commemoration in the Roman Martyrology.
The back of the reliquary
Image: culture. gouv.fr
A detail of the mitre
Image: culture.gouv. fr