Anonymus 504 was a basilikos protospatharios and doux of Chaldia; owner of a seal dateable to the ninth century; most of his name is lost, but it apparently ended with the letter ν: Zacos and Veglery 3226A. Obv.: cruciform monogram of Θεοτόκε βοήθει, with .ω - σω - δου - λω in the corners. Rev.: ..... - νι β' α' σπα. - και δουκη Χαλ - δηας. The name and title read: ...νι βασιλικῷ πρωτοσπαθαρίῳ καὶ δουκὶ Χαλδίας.

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