Of rectangular shape, the centre deeply carved with stylised knotted Kufic inscription to the bottom, framed within a band of scrolling vegetal tendrils. 42 cm by 22 cm. inscription: أَشْهَدُ أَنْ لَا إِلَٰهَ إِلَّا ٱللَّٰهُ وَأَشْهَدُ أَنَّ مُحَمَّدًا رَسُولُ ٱللَّٰهِ وَأَشْهَدُ أَنَّ عَلِيًّا وَلِيُّ ٱللَّٰهِ ašhadu ʾal lā ʾilāha ʾilla -llāhu, wa-ʾašhadu ʾanna muḥammadan rasūlu -llāhi wa-ʾašhadu ʾanna ʿalīyan walīyu -llāhi