Dating
circa 446-448 AH (=AD 1054-1057)
Obverse
الام ام / معد ابو / ت ميم / المست نصر / بالله امير / المؤ منين, six lines of text criss-crossing each ofther to twelve equidistant points within circular margins, with each line of text beginning at right and containing a gap where it crosses the centre and ending at the left, all enclosed by Arabic inscription anti-clockwise in margin
Reverse
لا ا له / الا ا لله / محم د رس ول / الله علي / ولي الله, six lines of text criss-crossing each ofther to twelve equidistant points within circular margins, with each line of text beginning at right and containing a gap where it crosses the centre and ending at the left, all enclosed by Arabic inscription anti-clockwise in margin