Dating
215 AH (=AD 830-831)
Obverse
لا اله الا / الله و حده / لا شريك له, Arabic inscription in field, enclosed by Arabic inscription anti-clockwise from 130h, enclosed by linear circle, enclosed by Arabic inscription (Sura 30:4, in part) that begins with a reverse 'S' anti-clockwise in margin from 130h, all enclosed by linear circle
Reverse
لله / محمد / رسول / الله, Arabic incription in field, enclosed by two linear circles, enclosed by Arabic inscription (Sura 9:33) anti-clockwise in margin from 2h, all enclosed by linear circle