Byzantine Pb Seal (29mm, 16,93g) of John apo hypaton (AD 7th century).
Obv: Inscription of four lines beginning with a cross: Ἰωάννου ἀπὸ ὑπάτων. Wreath border.
Rev: Inscription of four lines beginning with a cross: δούλου τῆς Θεοτόκου. Wreath border.
Translation: (Seal of) John, apo hypaton, servant of the Mother of God.
Parallel specimen, Doaks, BZS.1958.106.4865.