Gregorios 69 was basilikos protospatharios, kaistarchos and archon of the kommerkia of Thessalonike; owner of a seal dateable to the eighth or ninth century: Schlumberger, Sig., pp. 728-9, no. 5 (facsimile) = Konstantopoulos, JIAN 5, 3. Obv.: invocative monogram of Κύριε βοήθει with the legend τω - σω - δου - λω. Rev.: +Γρ[ηγ] - οριω β[ασιλικω] πρωτοσπ[α] - θ[αριω] καισταρ και α[ρ] - χοντι τω[ν] κο[μμ] - ερκ[ιων] Θεσς - αλο[νικησ]. The title kaistarchos is otherwise unknown as is the office of archon of a kommerkion. The reading and interpretation of the seal are alike uncertain. Cf. DOSeals I 18.51 (p. 70). Winkelmann, Rangstruktur, p. 126, interprets kaistar as κυαίστορ.

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