Antonios 21 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | VII/IX |
| PmbZ No. | 544 |
| Titles | Hypatos (dignity); Komes (unclear) |
| Seal Sources | Konstantipoulos, K.M., Byzantiaka Molybdoboulla tou en Athenais Ethnikou Nomismatikou Mouseiou (Athens, 1917); repr. from JIAN 5-10 (1902-07) |
Antonios 21 was hypatos and (possibly) komes; owner of a seal of uncertain date, possibly seventh, eighth or ninth century: Konstantopoulos, JIAN 9, 199b. The name and titles read: [Ἀν]τ[ω]νήῳ ὑπάτῳ [κο]μη[τι]. Neither the name nor the title komes are certain restorations.
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