Translucent cobalt blue. Rounded vertical rim; hemispherical body with convex curving side; convex bottom. On interior, a single deeo horizontal groove below rim. Intact, with one small internal crack near bottom; many pinprick bubbles; dulling, patches of creamy brown weathering, and faint iridescence on exterior. Rotary grinding marks on interior and exterior.
The bowl was cast in a mold and then finished on a lathe.
Said to be from Cyprus
1903. Collection Julien Gréau. Verrerie antique, émaillerie et poterie appartenant à M. John Pierpont Morgan. no. 1480, p. 199, pl. 260.3.
Eisen, Gustavus A. and Fahim Joseph Kouchakji. 1927. Glass: Its Origin, History, Chronology, Technic and Classification to the Sixteenth Century, Vol. 1. pl. 7c, New York: W. E. Rudge.
Auth, Susan H. 1976. Ancient glass at the Newark Museum from the Eugene Schaefer Collection of antiquities. no. 35, Newark: Newark Museum.