Copper-alloy and enamel, 44.58 grams, 41.51 mm. 8th-9th century AD. A rectangular mount of slightly convex section with a square central raised panel. The raised panel bears a design of raised rectangles with enamelled infill. The surround is separated into zones a saltire with raised pellet detail; the individual zones are decorated with interlocking triangles (upper and lower) and knotwork (left and right). A broad border contains the whole design. On the reverse are two pierced pegs for attachment. The enamel is in the characteristic coral-red and amber-yellow of early medieval Irish tradition. Reference: Youngs, S. (ed.) The Work of Angels: Masterpieces of Celtic Metalwork, 6th-9th Centuries AD, London, 1989, p.61 item 52. Very fine condition. Provenance: from an old English collection.