Moulded Glass

Moulded glass is an elaboration of the glassblowing technique whereby molten glass is blown into a mould that can be either ceramic or metal. Appearing in the first half of the 1st century AD, the moulds can take a variety of forms from simple decorative patterns to sculpted heads which may be formed into vessels. Byzantine glassblowers made mould blown pieces decorated with Christian and Jewish symbols in Jerusalem between late 6th century and the middle of the 7th century AD.