Ioannes 504 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | VII |
| PmbZ No. | 2823 |
| Titles | Hypatos (dignity) |
| Seal Sources | Laurent, V., La collection Orghidan (Paris, 1952) |
Ioannes 504 was hypatos; owner of a seal dateable to the seventh century: Laurent, Orghidan 589. Obv.: cruciform monogram of Ἰωάννου. Rev.: cruciform monogram of ὑπάτου.
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