| Carmagnola | |
|---|---|
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| Year | possibly 6th-century AD |
| Medium | porphyry |
| Subject | possibly Emperor Justinian I |
| Location | St Mark's Basilica, Venice |
Carmagnola or la Carmagnola is the traditional name of a porphyry head of a late Roman emperor, widely thought to represent Justinian, now placed on the external balustrade of St Mark's Basilica in Venice.