Ioannes 303 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | ?VII |
| PmbZ No. | 3367 |
| Titles | Illoustrios (dignity) |
| Seal Sources | Konstantipoulos, K.M., Byzantiaka Molybdoboulla tou en Athenais Ethnikou Nomismatikou Mouseiou (Athens, 1917); repr. from JIAN 5-10 (1902-07) |
Ioannes 303 was illoustrios; owner of a seal of uncertain date, probably seventh century: Konstantopoulos, JIAN 9, 362a. His name is in the form of a monogram, to be interpreted as Ιωαννου. The title, in Latin characters, reads: "
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