Watch List notes:

Crusader States, Christian East. Kings of Jerusalem. Islamic Imitative, imitation of Ayyubid coins from Dimashq. Dated AH 646/8?. Citing al-Salih Ismail (635 & 637-643 AH / AD 1237- & 1239-1245) and Abbasid Caliph al-Mustansir (AH 623-640 / AD 1226-1242). AR dirham (21.9 mm, 2.74 g). Acre mint(?). CCS p.134, #3; imitative of A-849.1.