Musée du Louvre, Bj 2345 – https://collections.louvre.fr/ark:/53355/cl010256580
Byzantine, 575 – 625 CE
Place of creation: Constantinople = Istanbul (Byzantium) (?); Syria (?)
Width: 4.5cm; Diameter: 7cm; Weight: 74.09g
Material: gold, glass (dark blue glass: round central cabochon – glass?: rectangular cabochons), (pearl?, at the corners)