The Portland Vase. Cameo glass, probably made in Rome About 15BC - AD 25. The Portland Vase is one of the finest surviving pieces Roman glass, and is named after the Duke of Portland who owned it from 1785 to 1945. It made of cameo glass a technique in which vessels and plaques, sometimes free-blown, sometimes cast, are created with two layers of glass. The outer layer (usually white) is carved away from the underlying dark layer (usually blue) to create decorative scenes and patterns.

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The Portland Vase. Cameo glass, probably made in Rome About 15BC - AD 25. The Portland Vase is one of the finest surviving pieces Roman glass, and is named after the Duke of Portland who owned it from 1785 to 1945. It made of cameo glass a technique in which vessels and plaques, sometimes free-blown, sometimes cast, are created with two layers of glass. The outer layer (usually white) is carved away from the underlying dark layer (usually blue) to create decorative scenes and patterns.

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Photo credit: © World History Archive / Alamy / Afripics
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