Arab-Byzantine, pseudo-Byzantine Fals, standing figure type, countermarked with six-pointed star on reverse, 3.74g (Goodwin A4a). Host coin fine, countermark good fine.
Reference: Goodwin, T., 'Countermarking in Seventh Century Syria, Part II: Countermarks from after the Arab Conquest', Supplement to ONS Newsletter 183, 2005
Estimate: £30-40