Glass mosaic bowl fragment late 1st century B.C.-early 1st century A.D. Roman Translucent light blue appearing dark greyish blue, dark purple () appearing black, opaque white and red; base ring in streaky translucent purple.Traces of side curving upward and flat bottom; outsplayed base ring.Mosaic pattern formed from polygonal sections of a single cane in a blue ground with a black circle containing a ring of white rods and a central white rod surrounded by a red circle.Bottom edge of base ring chipped off; polished interior; pitting and weathering of surface bubbles and scratches on interior; thick creamy weathering on exterior, sides of base ring, and jagged edges.Part of the bottom of the vessel with a low applied base ring on the exterior.. Glass mosaic bowl fragment. Roman. late 1st century B.C.-early 1st century A.D.. Glass; cast. Early Imperial. Glass