Watch List notes:

Sulayhids. 'Ali b. Muhammad. 439-473/1047-1081. AV debased dinar (21.3 mm, 2.31 g, 12 h). Local imitation, Dated A.H. 473. Album 1075.3. aVF. 

Album p. 120 notes: “These imitations may have been struck across the Red Sea in what is now Ethiopia of Eritrea, though most known specimens are said to have Yemeni rather than African provenance.”