Ca.100-300 AD. Roman. A wonderfully-preserved glass flask with a rounded base, spherical body, short cylindrical neck and flared torus lip. The body is decorated with a raised ridges in the shape of diamonds. The glass shows a superb iridescence. Excellent condition. Flasks such as this one where used in Roman times to serve liquids and archaeological excavations show that they had an Empire-wide distribution. For a comprehensive treatment of Roman glass objects, see Bayley, J., Freestone, I., & Jackson, C. (2015). Glass of the Roman World. Oxford And Philadelphia: Oxbow Books. Size: L:95mm / W:55mm ; 63g. Provenance: Private collection of a West London gentleman; previously in a collection formed on the UK/International art market before 2000.