Copper-alloy, 7.85 grams, 34.18 mm. 3rd-5th century AD. A late Roman or Germanic cruciform military (harness?) mount of curved profile with a central spike. The expanding arms are placed on either side of the spike with a zone of incised transverse lines at the junction; similar decorated zones appear on the rectangular main plate. At the upper and lower edges are indented transverse channels, each pierced in two places to allow the plate to be sewn to the leather or fabric backing. Reference: Appels, A. & Laycock, S. Roman Buckles & Military Fittings Witham, 2007, items AA14.51 and AA14.73 and cf. linear decoration on item SL4.23. Extremely fine condition. Provenance: from an old English collection.