This is Abbasid
dirham mint of Madinat al Salsm (Baghdad).
obv. Center لا اله الا الله وحده لاشريك له (No God but Allah alone with no partner in deity)
obv border بسم الله ضرب هذا الدرهم بمدينة السلام سنة ثمان وثمانين ومئة9( in the name of Allah, this
dirham is minted in Madinat al Salam year 188).
Rev
field محمد رسول الله (Muhammad is the messenger of Allah.
Rev
border ارسله بالهدى ودين الحق ليظهره على الدين كله ولو كره المشركون ( a koran verse which means: It is He Who has sent
His Messenger (Muhammad ) with guidance and the religion of truth ....etc.