Kosmas 42 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | VIII |
| PmbZ No. | 4109 |
| Titles | Notarios (office) |
| Seal Sources | Zacos, G. and Veglery, A., Byzantine Lead Seals, vol. I (in 3 parts) (Basel, 1972). |
Kosmas 42 was a notarios; owner of a seal dateable to the eighth century: Zacos and Veglery 2083 A. The name and title read: Κοσμᾷ νοταρίῳ.
(Publishable link for this person: )