Nikolaos 23 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | VIII/IX |
| PmbZ No. | 5567 |
| Titles | Notarios (office) |
| Seal Sources | Schlumberger, G. Sigillographie de l'empire byzantin (Paris, 1884) |
Nikolaos 23 was a notarios; owner of a seal dateable to the eighth or ninth century: Schlumberger, Sig., p. 551, no. 1 (facsimile). Obv.: invocative monogram of Θεοτόκε βοήθει. Rev.: +Νι+ - κολάῳ - νοταρίῳ - ἀμήν.
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