Lead seal. Obverse: cruciform invocative monogram with letters in the quarters; border undetermined. Reverse: inscription of 4 lines beginning with a cross; wreath border (?). Obverse: Θεοτόκε βοήθει τῷ σῷ δούλῳ. Reverse: + Σεργίῳ ὑπάτῳ ἀμήν. Translation: Obverse: Mother of God aid your se...