Glass mosaic bowl fragment late 1st century B.C.-early 1st century A.D. Roman Rim fragment.Translucent blue, partially mixed with opaque yellow appearing green, translucent purple, partially mixed with opaque yellow appearing brown, opaque, white, yellow, and brick red, and colorless.Vertical rim, ground flat; straight side, tapering downward.Irregular mosaic pattern of several canes, including one in a colorless ground with spiral white threads, and another in a blue ground with a yellow spiral thread.Exterior polished, with pitting of surface bubbles; dulling, pitting, and faint creamy weathering on interior, rim, and jagged edges.. Glass mosaic bowl fragment. Roman. late 1st century B.C.-early 1st century A.D.. Glass; cast. Early Imperial. Glass