Islamic - Early Pre-Reform. ARAB-SASANIAN: Ubayd Allah b. Abi Bakra, fl. 698-699, AR drachm (3.83g), SK (Sijistan), AH79, A-37, extremely rare variety, governors name repeated in Arabic in ObQ3, as ubayd Allah lillah, "Ubayd Allah is for God", lightly cleaned, VF, RRR.