“Mysterious ring reveals the Vikings’ reach”

Thanks to Doug Ealy for bringing this item to my attention:

http://www.dailymail.co.uk/sciencetech/article-2997156/Mysterious-ring-reveals-Vikings-reach-Purple-stone-9th-century-grave-inscribed-Allah-showing-warriors-traded-Islamic-civilisations.html

It links my professional interest in the world of Islam with my long-time, amateur, genealogically-motivated fascination for the Vikings.