Theodoros 301 was a basilikos koubikoularios; owner of a seal dateable to the ninth century: Zacos and Veglery 2420. Obv.: cruciform monogram of Θεοτόκε βοήθει, with τω - σω - δου - λω in the corners. Rev.: +Θεο - δωρω β' - κουβικουλα - ριω+, with a six-rayed star after the last line. The name and title read: Θεοδώρῳ βασιλικῷ κουβικουλαρίῳ. He was presumably a eunuch.

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