Kosmas 30 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | VII/VIII |
| PmbZ No. | 4092 |
| 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) |
Kosmas 30 was an Illoustrios; owner of two seals of uncertain date, probably seventh or eighth century: Konstantopoulos, JIAN 9, 362c, d. The name and title read: Κοσμᾶ ἰλλουστρίου.
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