Mosaic glass inlay 1st century B.C.-1st century A.D. Roman, probably Egyptian Opaque streaky red ground; decoration in opaque white, yellow, and red, partly translucent purple appearing black and light blue, and colorless glass.Thin, rectangular plaque, cut from a mosaic composite bar, with flat front, uneven back, and vertical straight sides, with sharp corners; design extends uniformly through the thickness of the plaque.Proper right side of female head with white face, outlined in purple; features delineated in blue, with red lips; hair in rows of purple tresses outlined in yellow, with three corkscrew curls hanging below side of face; above hair, another thick outline in purple and yellow diadem with four projecting spikes.Intact, but some chips along edges; glossy surfaces to back and edges; front ground and polished; pitting of surface bubbles.. Mosaic glass inlay. Roman, probably Egyptian. 1st century B.C.-1st century A.D.. Glass. Late Hellenistic or Early Imperial. Glass