| It should be remembered that a dated artefact only provides a terminus post quem for the context in which it is found. |
| The writ clearly sets a terminus post quem for the addition, but can hardly provide a terminus ante quem for the text itself. |
| This yielded a terminus post quem for the deposition of other sherds belonging to that vessel. |
| It could not have been written before 325 because it contains the Eusebian Canons, which is a terminus post quem. |
| The above mentioned cases do cast a shadow of doubt about having a terminus post quem of 1617 for marked panels. |
| It is therefore likely that the terminus post quem can be taken at the latter date. |
