Ioannes 328 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | VII |
| PmbZ No. | 2835 |
| Titles | Protektor (office) |
| Seal Sources | Speck, P. et al. (eds.), Byzantinische Bleisiegel in Berlin (West) (Bonn, 1986) |
Ioannes 328 was a protektor; owner of a seal dateable to the seventh century: Speck, Bleisiegel 20. Obv.: cruciform monogram of Ιωαννου. Rev.: cruciform monogram of προτήκτωρος.
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