I have some very similar coins:

Date: ca 1150AD
Issuer : Muwahhid Dynasty anonieme uitgave
mint : onknown
Ref : Mitchiner 421
Date c. AH 558-668/ AD 1162-1270
Obverse Arabic legend in Nashki script.
There is no lord except God. The command is all God's. There is no power except through God
Reverse Arabic legend in Nashki script.
God is our lord. Muhammad is our Messenger. Al-Mahdi is our Imam
or these: