Ca. 50–100 AD. Roman. A beautiful green glass bottle with a fluted piriform body, flat base, cylindrical neck and folded rim. Some weathering and incrustation occur on the bottle's mouth. While glass-making had been practised for centuries, the Romans invented the glassblowing technique in the 1st century BC, which revolutionized this craft. Roman glassmakers reached incredible artistic heights with both free-blown vessels and mould blown forms and decorations. To find out more about glass objects in the Roman world, Bayley, J., Freestone, I., & Jackson, C. (2015). Glass of the Roman World. Oxford And Philadelphia: Oxbow Books. For a similar Roman glass bottle, see https://www.christies.com/lot/lot-5776243. Provenance: Private UK collection; From an old British collection formed in the 1980s. Size: L:74mm / W:36mm ; 29.8g