Circa 300-400 AD. A fine example of a glass double Balsamarium formed from a semi-translucent green glass. The body tapers at the base and the mouths and is decorated with applied spiral trails in a silver green colouring. Ancient and Islamic Glass in the Carnegie Museum of Natural History, p. 115, nos. 194-198, for similar.Size: L:130mm / W:45mm ; 40gProvenance: Private UK collection; From an old London collection formed in the 1990s;