Byzantine Pb seal (Pb, 22mm, 8.21g) of Demetrios (c. AD 12th century).
Obv: Saint Demetrios standing, holding a spear in his right hand and a shield with his left. Inscription: ὁ ἅγιος Δημήτριος. Border of dots.
Rev: Inscription of four lines: Κ(ύρι)ε β(οή)θ(ει) τῷ σῷ δούλῳ Δημητρίῳ. Border of dots.
Translation: Lord, help your servant Demetrios.
Similar specimen, Doaks, BZS.1958.106.1571.