Ioannes 498 | Prosopography of the Byzantine Empire |
| Sex | E |
| Floruit | E VIII |
| PmbZ No. | 2977 |
| Titles | Koubikoularios (dignity) |
| Seal Sources | Laurent, V., La collection Orghidan (Paris, 1952) |
Ioannes 498 was a koubikoularios; owner of a seal dateable to the early eighth century: Laurent, Orghidan 283. Obv.: cruciform monogram of Θεοτόκε βοήθει. Rev.: +Ι. - αννου κ - ουβικουλ - αρι..
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