A Roman mosaic glass patella cup
Late 1st Century B.C. - early 1st Century A.D.
The carinated bowl with flaring rim, formed from three different mosaic canes including translucent green with an opaque yellow spiral; purple cane with an opaque yellow centre, opaque red ring, opaque white rods in purple, and an opaque white ring; and another cane with opaque yellow rods instead of white, 3¾in (9.3cm) diam
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