Ioannes 574 | Prosopography of the Byzantine Empire |
| Floruit | VII/VIII |
| PmbZ No. | 3018 |
| Titles | Chartoularios (office) |
| Seal Sources | Gray Birch, W. de, Catalogue of Seals in the Department of Manuscripts in the British Museum (London, 1898) |
Ioannes 574 was chartoularios; owner of a seal dateable to the seventh or eighth century: Gray Birch, BMSeals 17577. The name and title read: Ἰωάννῃ χαρτουλαρίῳ. The date proposed by Gray Birch, the tenth century, is corrected in PmbZ 3018 to the eighth century or earlier.
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