Mainly 8th-10th century AD. A group of seventeen bronze weights comprising barrel-shaped and polyhedral types, some with impressed ring-and-dot markings. See Weber, K., Byzantinische Münzgewichte: Materialkorpus für 1-Nomisma-Gewichte, Schwelm, 2009, for discussion.463 grams total, 11-25mm (1/2 - 1"). From a Dutch private collection; formerly in a European collection, acquired before 1980.[17, No Reserve]