Circa 6th-8th century A.D.posed of a slender rectangular-section hoop and cruciform bezel with expanding round-section arms, central dome and granule to each quarter; apanied by a custom-made display stand. Cf. Ross, M.C., Catalogue of the Byzantine and Early Mediaeval Antiquities in the Dumbarton Oaks Collection, Volume 2: Jewelry, Enamels and Art of the Migration Period, Washington, 2005, item XIV(F) and XCVII(I), for grams, 21.96 mm overall, 14.23 mm internal diameter (approximate size British G, USA 3 1/4, Europe 4.92, Japan 4) (3/4 in.). Private European collection since the 1950s. Private collection, UK, 2010. [A video of this lot is available to view on Timeline Auctions .]