11th-14th century AD. A triangular-section hoop supporting a rectangular bezel with flared underside; inset carnelian cloison with incised calligraphic text. See Chadour, A.B. Rings. The Alice and Louis Koch Collection, volume I, Leeds, 1994 for discussion. 7.86 grams, 29mm overall, 18.61mm internal diameter (approximate size British Q 1/2, USA 8 1/2, Europe 18.40, Japan 17) (1 1/4"). From the collection of a North West London gentleman; acquired in the 1980s.