Ioannes 304 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | IX/X |
| PmbZ No. | 3373 |
| Titles | Protospatharios (dignity) |
| Seal Sources | Konstantipoulos, K.M., Byzantiaka Molybdoboulla tou en Athenais Ethnikou Nomismatikou Mouseiou (Athens, 1917); repr. from JIAN 5-10 (1902-07) |
Ioannes 304 was a protospatharios; owner of a seal of uncertain date, possibly ninth or tenth century: Konstantopoulos, JIAN 9, 518c. The name and title read: Ἰωάννῃ πρωτοσπατηαρίο.
(Publishable link for this person: )