Athanasios 20 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | VI/VII |
| PmbZ No. | 660 |
| Occupation | Grammatikos |
| Titles | Grammatikos (office) |
| Seal Sources | Laurent, V., La collection Orghidan (Paris, 1952) |
Athanasios 20 was a grammatikos; owner of a seal dateable to the sixth or seventh century: Laurent, Orghidan 622. Obv.: cruciform monogram of Ἀθανασίου. Rev.: cruciform monogram probably reading γραμματικοῦ.
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