Dating
194 AH (=AD 809-810)
Obverse
لا اله الا / الله و حده / لا شريك له, Arabic inscription in field, enclosed by Arabic inscription anti-clockwise from 1h, enclosed by two linear circles, six equidistant annulets of sequence 'o o o o o ⦾' and final linear circle
Reverse
لله / محمد رسول الله / مما امر به الامير المامون / ولي عهد المسلمين / عبد الله بن امير المؤمنين / الفضل, Arabic inscription in field, enclosed by linear circle, enclosed by Arabic inscription (Sura 9:33) anti-clockwise from 2h, all enclosed by traces of linear circle