CRUSADERS. Crusader Imitations of Islamic Dirhams. Dirham (Silver, 21 mm, 3.27 g, 11 h), imitating an Ayyubid dirham from Damascus, citing the deceased Ayyubid al-Salih Ismai'l and the deceased Abbasid caliph al-Mustansir, Akka (Acre), AH 651 = AD 1253. Album 849.2. Malloy 11. Metcalf, Crusades, 233 ff. Wäckerlin -. Heavily double struck, otherwise, about extremely fine.