AN ARABIC GLASS RING WEIGHT, the solid square piece of emerald-green glass with irregular hole in centre and rounded corners, stamped with a seal bearing four lines of Arabic, 9th-12th Century A.D., from Egypt, 1¾in. (4cm.) high; a group of fifteen Byzantine and Arabic stamped glass 'seals' or tokens, some with Arabic lettering, others with seated figure in relief; and two "Star of David" tokens, Arabic and later (18)