De septem urbis ecclesiis
| Name of text: | De septem urbis ecclesiis |
| Author of text: | Onofrio Panvinio |
| Date of text: | 16th century |
| Date of person in text: | 1529-1568 |
| Name of structure in text: | Holy Cross in Jerusalem, Rome, Chapel of S. Helena |
| Type of structure in text: | chapel |
| Date of structure in text | 4th, 8th, 12th, 16th |
| Century of structure 1: | 4 AD |
| Century of structure 2: | 16 AD |
| Country in text: | Italy |
| Region in text: | Lazio |
| City in text: | Rome |
| Specific place of mosaic in text: | Arch over a small window |
| Description of mosaic in text: | Inscription |
| Mosaic date in text: | 4 AD |
| Tesserae silver mentioned in text? | No |
| Tesserae gold mentioned in text? | No |
| Colour descriptions in text: | |
| Bibliography: | OnofrioPanvinio, De septem urbis ecclesiis, p. 217, quoted in Eugene Muntz, ‘The Lost Mosaics of Rome IV to IX Century’, The American Journal of Archaeology and of the History of the Fine Arts, 6.1/2 (1890), 1-9, see p. 1 |
| URLs: | |
| Comments: | Chapel dedicated in 325 in Helena’s palace. Later in 4th C became part of church. Restored in 8th century, 1144-5, again in 16th C, again in 1740-58. |