Mosaic ribbed bowl, 1st century b.c.–early 1st century a.d.; Early Imperial, Augustan or Julio–Claudian
Glass; cast and tooled; Diam. 5 1/8 in. (13 cm)
Gift of J. Pierpont Morgan, 1917 (17.194.561)
Ribbed bowls were a very common and popular type of early Roman cast tableware. Examples have been found across the Roman world and even beyond. Those in mosaic glass like this one were intended to resemble luxury vessels carved out of semiprecious stone such as banded agate.