14th-16th century AD. A gold finger ring with twisted filigree edges to the hoop and incuse zigzag ornament; the triangular flange set with three irregular turquoise gemstones in cells with granules between. Cf. Chadour, A.B., Rings. The Alice and Louis Koch Collection, volume I, Leeds, 1994, items 545, 546.5.21 grams, 22.68mm overall, 18.76mm internal diameter (approximate size British N, USA 6 1/2, Europe 13.72, Japan 13) (1"). Property of an East Anglian collector; formerly acquired on the European art market in the 1990s.