Watch List notes:

ISLAMIC, al-Maghreb (North Africa). Almohads (al-Muwahhidun). Abu Ya'qub Yusuf I, AH 558-580 / AD 1163-1184. 1/2 Dinar (Gold, 21 mm, 2.37 g, 12 h), without mint and date. Album 483. Some doubling on the obverse, otherwise, about extremely fine.