Rasulids
al-Mansûr 'Umar ibn 'Alî (626)634-647 H./1229-1249 AD Dirham 635 H., Zabîd, type B. Album, Checklist 1100.2. 2.05 g.; Very rare Good very fine Slightly irregular flan
The type B with its square in a circle on both sides and the legends beginning with a basmala shows a strong influence of the North African Almohad gold coinage.