ISLAMIC. The Coinage of Yemen. Rasulids, al-Manṣūr ‘Umar ibn 'Alī, (AH. 626-647 / AD. 1229-1249), AE fals AH640 (?), Ta'izz mint.
Condition: Extremely rare and Very fine. Weight: 2.76 g. Diameter: 22 mm.