Fatimids. al-Qa'im bi-Amr Allah. AH 322-334 / AD 934-946. AR Half-Dirham (16.6mm, 1.45 g, 9h). Al-Mahdiya mint. Dated AH 329 (AD 940/1). Nicol 174. Slightly buckled flan, scattered surface marks. Good Fine. Rare, especially with the mint and date so clearly legible.