The only surviving handwriting of an Emperor Theodosius II, 425-430 AD [900×600]

Apparently the emperor wrote, “…bene valere te cupimus”, i.e. “…we desire that you be well.”

The document is translated for us in B. Porten &c, The Elephantine Papyri in English, 1996, p.441, entry D 19.

https://www.roger-pearse.com/weblog/tag/appion-of-syene/