Ioannes 215 was patrikios and magistros; owner of a seal dateable between the mid seventh century and the mid eighth (see Zacos and Veglery, p. 1751, correcting Schlumberger, who dated this seal to the eighth or ninth century): Schlumberger, Sig., p. 565, no. 7 (no facsimile). Obv.: invocative monogram of Θεοτόκε βοήθει with the name Ιωαννῃ in the corners. Rev.: +πατρικιῳ και μαγίσ[τρῳ]. See also Ioannes 355.

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