late 3rd-2nd Century B.C.
Assembled from sections of a pre-formed composite mosaic glass cane comprising an opaque yellow spiral in a translucent cobalt-blue matrix and cast over a former mould to form a hemispherical bowl with a slightly everted rim, the interior of the bowl and the rim rotary polished afterwards, the exterior fire-polished thereby creating a smoother and more shiny surface, 3in. (7.5cm.) high, 5in. (13.5cm.) diam., broken and mended