ISLAMIC. The Coinage of Yemen. Rasulids, al-Nāṣir Ṣalāh ad-Dīn Aḥmad, (AH 803-827 / AD 1400-1424), Dirham Ah823 (?), Zabīd mint. Condition: Very fine. Weight: 1.8 g. Diameter: 28 mm.