Glass mosaic fragment late 1st century B.C.-early 1st century A.D. Roman Thin-walled body fragment.Translucent purple, turquoise blue mixed with yellow appearing green, opaque white, yellow, and colorless.Almost straight side.Body decorated with mosaic pattern formed from polygonal sections of three canes: one in purple ground outlined in white with concentric circles of yellow dots; the second in colorless with yellow spiral, and third in blue with yellow spiral.Exterior polished, with pitting of surface bubbles; pitting and iridescent weathering on interior and edges.. Glass mosaic fragment. Roman. late 1st century B.C.-early 1st century A.D.. Glass; cast. Early Imperial. Glass