Glass mosaic ribbed bowl fragment late 1st century B.C.-early 1st century A.D. Roman Body fragment.Translucent honey brown, blue, and opaque white.Convex curving side, tapering downwards to bottom.Ribbon mosaic pattern formed from sections of a single cane in brown ground with irregular wavy white trails and fine blue threads in parallel lines; on exterior, parts of five narrow, pointed ribs.Polished exterior; patches of dulling and weathering on exterior; creamy iridescent weathering on interior and jagged edges.. Glass mosaic ribbed bowl fragment. Roman. late 1st century B.C.-early 1st century A.D.. Glass; cast and tooled. Early Imperial. Glass