Glass mosaic fragment late 1st century B.C.-early 1st century A.D. Roman Translucent blue; turquoise blue layered with yellow and appearing green, opaque white, yellow, and brick red.Flat bottom with upward curve along one edge.Striped mosaic pattern with bands in blue, blue backed with red and appearing very dark blue, blue layered with white appearing opaque pale blue, and green.Pinprick bubbles; polished exterior; pitting of surface bubbles on exterior; dulling and creamy iridescent weathering on interior and jagged edges.. Glass mosaic fragment. Roman. late 1st century B.C.-early 1st century A.D.. Glass; cast. Early Imperial. Glass