Watch List notes:

ISLAMIC, al-Maghreb (North Africa). Almohads (al-Muwahhidun). Abu Ya'qub Yusuf I, AH 558-580 / AD 1163-1184. Half Dinar (Gold, 21 mm, 2.30 g, 12 h), unnamed mint and date. Kalimat in four lines within double linear square. Rev. Kalima in four lines within double linear square. Album 483. Hazard 495. Vives 2061. Very fine.
From a collection in USA.