The
lower part of what must have been the right-hand portion of a diptych,
containing the end of a letter to Cerialis. Only the last few words of the
message and the closure survive. The address on the back suggests that the
letter is from a centurion with the
"... so that I might provide you with a bridge (?). (2nd hand) I pray that you are in good health, my lord. Farewell. (Back, 1st hand) To Flavius Cerialis, prefect, from ..., centurion (?)."