They are old ones, and unused (they have same effect than another one i don't remembe which one).
They should be kept for collectionners who will maybe buy it for a lot of gold.
No success or anything related to own them.
Obsessive Compulsive Elder Scrolls addons Coder
A Few millions downloads of ESO addons now. Master crafter on my main char since release. All tradeskills, recipes \o/, researchs (since long), 35 styles known
My little french Guild: Cercle de l'Eveil
They are deprecated runes that no longer serve a purpose and no longer drop. The few remaining in circulation in the economy exist only as novelty items.