Ca. 100-300 AD A finely blown flask in a dark-green coloured glass. The vessel features a flat, spherical body, and a long cylindrical neck with a straight rim. The passing of time has created a beautiful iridescence on its surface. To find out more about glass objects in the Roman world, see Bayley, J., Freestone, I., & Jackson, C. (2015). Glass of the Roman World. Oxford And Philadelphia: Oxbow Books. Size: L:63mm / W:39.3mm ; 20.88g Provenance: Private UK collection; from an old London collection formed in the 1980s.