CRUSADERS. Christian Arabic Dirhams. Half Dirham (Silver, 14 mm, 1.32 g, 6 h), without mint and date. 'Al-ab' ('The Father'); below, 'wa'l-Ibn' ('and The Son') within double square; all in Arabic. Rev. Small cross and inscription in two lines 'wa'l-Ruh / al-Qudus' ('and the Holy Spirit' in Arabic) within double square. Bates & Metcalf, -. CCS 18. Metcalf, Crusades, -. Wäckerlin -. Extremely rare. Some deposits, otherwise, very fine.