14th century AD. A carnelian cloison, intaglio Kufic script text to the face, set into a later silver finger ring comprising a D-section hoop and round cell. 6.35 grams, 24mm overall, 18.65mm internal diameter (approximate size British Q 1/2, USA 8 1/2, Europe 18.40, Japan 17) (1"). The Signo collection, the property of a West London businessman, formed in the late 1980s-early 1990s.