ISLAMIC, Arabia, Yemen, Qasimid Imams, al-Mansur al-Husayn, AH 1139-1161 / 1727-1748, [Ṣanʿāʾ?]. Khamsiyya (Silver, 19 mm, 1.11 g, 12 h), AH 1152 = AD 1739/40. Within a central square, ‘Muḥammad’, around, ‘lā ilāha illā Allāh rasūl Allāh’ (‘There is no deity but Allah. Muhammad is the messenger of Allah’ in Arabic). Rev. Around a central miḥrāb containing a lamp, ‘ʿAbd Allāh al-Manṣūr billāh [1]152’ (‘The servant of Allah, al-Mansur billah 1152’ in Arabic). Album 1144. Zeno-352937 (this coin). Rare. Minor areas of weakness, otherwise, good very fine.