Byzantine Lead Seal of Constantine kourator (9th century AD)
Obv: Cruciform invocative monogram (type XI). Κύριε βοήθει [τ]ῷ σ[ῷ] δούλῳ.
Rev: Inscription of four lines. Wreath border.
KWN / C(?)TANTIN / OVKP / ATOP : Κων[σ]ταντίνου κουράτορ(ος)
Translation: Κύριε βοήθει [τ]ῷ σ[ῷ] δούλῳ Κων[σ]ταντίνου κουράτορ(ος): Lord, help your servant. (Seal of) Constantine, kourator.

(11.99g 25.2mm diameter)