Konstantinos 339 | Prosopography of the Byzantine Empire |
| Floruit | VIII/IX |
| PmbZ No. | 4041 |
| Titles | Basilikos spatharios (dignity) |
| Seal Sources | Gray Birch, W. de, Catalogue of Seals in the Department of Manuscripts in the British Museum (London, 1898) |
Konstantinos 339 was basilikos spatharios; owner of a seal dateable to the eighth or ninth century: Gray Birch 17537. The name and title read: Κωνσταντίνῳ βασιλικῷ σπαθαρίῳ.
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