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.Almost straight side.Mosaic pattern formed from sections of two canes: one in blue ground with irregular spiral white threads, the other in brown ground with central circle in blue outlined in white and surrounded by white dots; on exterior, one pronounced vertical rib with flattened top.Polished interior; pitting of surface bubbles on interior; dulling, pitting, and faint weathering on exterior and jagged, chipped edges.. Glass mosaic ribbed bowl fragment. Roman. late 1st century B.C.-early 1st century A.D.. Glass; cast and tooled. Early Imperial. Glass