13th century AD. A carnelian cloison, calligraphic three-line Kufic inscription to the upper face set into a later flat-section silver hoop with flared shoulders supporting a square cell with inset. Cf. Chadour, A.B. Rings. The Alice and Louis Koch Collection, volume I, Leeds, 1994, p.165 for discussion. 7.45 grams, 26mm overall, 21.44mm internal diameter (approximate size British X 1/2, USA 11 3/4, Europe 27.01, Japan 26) (1"). From the collection of a North West London gentleman; acquired in the 1980s. Fine condition. A large wearable size.