Roman Cast Glass Bowl, 1st century B.C.E.-1st century C.E. Cast glass. © Miho Museum.

Shallow basin cast from blue translucent glass. The rim has a rounded band while the walls of the basin are relatively curved and the outer edge is diagonal and the base has a slight hollow. A wide horizontal groove is cut into the outer side of the rim, while the inner side of the rim is circled by one and the inner side of the basin's torso circled by two thin horizontal cut grooves. Both inner and outer surfaces are smoothly finished.