Copper-alloy, 20.98 grams, 50.35 mm. Circa 9th-10th century AD. A cast openwork mount in the form of a central open rectangle with arcaded lateral borders, with a triangular openwork extension. Four spherical knops are located at the corners of the rectangle, with traces of a fifth at the apex of the triangle. The triangle is formed with an internal motif of three bilinear loops forming a knot executed in openwork. The mount is cast with similar decoration on both faces. Reference: cf. the three loop knot motif on the early 10th century house-shaped casket in Backhouse, J. Turner, D.H. & Webster, L. The Golden Age of Anglo-Saxon Art 966-1066, London, 1984, item 15 and cf. spherical terminals on the Pershore censer cover item 74. Very fine condition. Provenance: found Norfolk, England.