Cameo glass represents the ultimate achievement in Roman luxury glass, and the British Museum has the world’s largest and finest collection, comprising more than eighty pieces. This catalogue publishes the collection in its entirety for the first time. Each piece is illustrated in colour and line artwork, with full description and discussion. The book also presents the results of ground-breaking new research into techniques of manufacture. The authors propose a relative and absolute chronology for cameo glass, and suggest possible models for the organisation of the workshop or workshops that produced it.