An agate seal of oval shape, set in silver ring engraved with the text "حول محمد بن سهل رضيت بالله ربا ، وبالإسلام ديناً ، وبمحمد نبيا , Muhammad bin Shil: I am satisfied with Allah as my Lord, with Islam as my religion, and with Muhammad as a prophet" in Kufic script.
2th AH/8th AD century