Eustathios 20 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | ?IX |
| Titles | Ostiarios (office) |
| Seal Sources | Ebersolt, J. "Sceaux byzantins du Musée de Constantinople", RN 4.18 (1914), pp. 207-243, 377-409 |
Eustathios 20 was an ostiarios; owner of a seal of uncertain date, perhaps ninth century: Ebersolt, "Sceaux byzantins", p. 388, no. 456. The text apparently reads: Εὐστάθιος ὀστιάριος. A similar specimen is in Schlumberger, Sig., p. 405.
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