Rasulids
al-Muzzafar Shams ad-dîn Yûsuf ibn 'Umar, 647-694 H./1249-1295 AD Dirham 650 H., Hisn Ta'izz, clearly from different die engravers, the earlier filling spaces with many annulets, the second more elegant. 1.86 and 1.69 g. Two varieties of different style, Both well struck Extremely fine