Cryptoporticus
| Name of structure: | Cryptoporticus |
| Extended name of structure: | |
| Type of structure: | Cryptoporticus (covered passageway) |
| Country or main area: | Italy |
| Region within country or main area: | Lazio |
| City or area within region: | Via XX Settembre, Rome |
| Date of structure: | End first century BC |
| Century of structure 1: | 1 BCE |
| Century of structure 2: | |
| Specific place of mosaic: | End of first century BC/beginning of first century AD – in the middle of the first century AD the windows were blocked and the outer wall facing the garden was decorated with a mosaic. |
| Brief descriptive contents of mosaic: | In the blocking material were lumps of plaster with Egyptian blue embedded in them, and some yellow and green glass tesserae. These fragments presumably came from an earlier decoration. |
| Date of mosaic: | First century BC |
| Century of mosaic 1: | 1 BCE |
| Century of mosaic 2: | 1 AD |
| Silver tessera at site: | |
| Gold tessera at site: | |
| Colour tessera at site: | |
| Were other materials found at site (i.e., glass cakes)? | |
| Has analysis been done? | |
| Samples taken from where? | |
| Excavation and restoration campaigns: | |
| Bibliography of mainly technical resources: | Sear, Frank B., Roman Wall and Vault Mosaics (Heidelberg: F. H. Kerle Verlag, 1977), pp. 62-63, also pp. 81-82 |
| URLs: | |
| Comments: | See separate entry for Nymphaeum, Via XX Settembre |