Glass striped mosaic bowl fragment late 1st century B.C.-early 1st century A.D. Roman Rim fragment.Translucent cobalt blue, purple, opaque white, yellow, with colorless glass.Applied coil rim with slightly beveled, vertical lip; almost straight side, tapering slightly at bottom. Rim in colorless glass with fine double spiral thread; body decorated with wavy bands slanting from top left to right, forming a regular pattern: purple, blue, colorless with double spiral yellow thread, white, purple with three white lines, and white.Some pinprick bubbles; exterior polished, with pitting of surface bubbles and one large weathered scratch; iridescent weathering on interior and edges.. Glass striped mosaic bowl fragment. Roman. late 1st century B.C.-early 1st century A.D.. Glass; cast. Early Imperial. Glass