Fragmentary Ewer with Polychrome Luster Decoration 9th century The small circles filling some of the sections on this two-toned luster ewer might have been inspired by millefiori mosaic glass, since they seem to imitate the designs on such pieces. Although the ewer is fragmentary, it is possible to visualize its original large size and unusual angular profile.. Fragmentary Ewer with Polychrome Luster Decoration 451188