Watch List notes:

ISLAMIC, al-Andalus (Spain). Nasrids of Granada. 'Ali ibn Sa'd, AH 868-886, 887-889 / AD 1464-1482, 1483-1485. (Silver, 20 mm, 0.71 g, 9 h), square Half Dirham. Kalimat in three lines within square dotted border. Rev. Titles and name of Ali ibn Sa'd. Album 414. Gomez 263. Very fine.