Dating
234 AH (= AD 848–849)
Obverse
لا اله الا / الله و حده / لا شريك له, Arabic inscription in field, enclosed by Arabic inscription anti-clockwise from 1h, enclosed by linear circle, enclosed by Arabic inscription (Sura 30:4, in part) anti-clockwise in margin from 12h, outer marginal inscription begins with reverse 'S', all enclosed by linear circle
Reverse
لله / محمد / رسول / الله / المتوكل على الله, Arabic inscription in field, enclosed by two linear circles, enclosed by Arabic inscription (Sura 9:33) anti-clockwise in margin from 12h, all enclosed by linear circle