细节
A ROMAN MOSAIC GLASS PATELLA
CIRCA LATE 1ST CENTURY B.C.-EARLY 1ST CENTURY A.D.
Formed from cane sections, many with a central blue-green or blue dot on a yellow ground and enclosed within an opaque white band, others with a central white dot on an emerald green ground with opaque white spirals, all on a purple ground, the carinated exterior with two convex curves, on an applied slightly-outsplayed ring foot
3½ in. (8.9 cm.) diameter