CRUSADERS. Crusader Imitations of Islamic Dirhams. Half Dirham (Silver, 16 mm, 1.47 g, 1 h), imitating an Ayyubid half dirham of the emir al-Zahir Ghazi from Halab, uncertain mint (Akka [Acre]), date off flan, struck between AH 613 - 630 and 638 = AD 1216 - 1232/3 and 1240. above and below pellet, 'al-Imam / al-Zahir' in two lines in Arabic within six-pointed star; around, date and mint. Rev. above and below pellet, 'al-Malik / al-Zahir' in two lines in Arabic within six-pointed star with two; around, 'la ilah / illa / Allah / Muhammad / rasul / Allah' in Arabic. Album 837. Balog, Ayyubids, 629 ff. Metcalf, Crusades, 621 f. MPS 2. Wäckerlin -. Struck somewhat off center, otherwise, about extremely fine.