Cameo glass represents the ultimate achievement in Roman luxury glass, and the British Museum has the world's largest and finest collection. This comprises over seventy pieces, including two of only a dozen surviving complete cameo glass vessels: the celebrated Portland Vase, the greatest surviving example of Roman cameo glass, and the Auldjo Jug, each with its complex and intriguing history. The catalogue, begun by Veronica Tatton-Brown and William...