Rasulids
az-Zâhir Hizabr ad-dîn Yahyâ ibn al-Ashraf Ismâ'îl, 831-842 H./1428-1439 AD Dirham 840 H., Ta'izz. A broad sword in a quatrefoil with mint and date, in the margin a literary legend, not yet completely read: hadhihi surat ..... zalu(?) n-nufûs sayf sultân al-yaman yahyâ, rev. Quatrefoil with basmala and shahâda. 1.25 g.; Rare Very fine