Ca. 100-300 AD.A stunning glass bowl in a cobalt blue with a slightly everted rim, a squat bowl, concave base, and moulded vertical pillars. Glass was a major manufacturing industry in the Roman Empire, especially after the invention of glassblowing in the middle of the first century BC, when glass became used for a variety of purposes including vessels, jewellery and construction materials such as glass or tiles. Roman glassmaking reached the farthest corners of the Empire and flourished until about 400 AD, when the Roman Empire started to disintegrate, finally falling in the late 5th century AD.Size: L:32mm / W:50mm ; 35gProvenance: Property of a West London gentleman; previously in a collection formed on the UK/International art market in the 1990s.