Watch List notes:

Taifas Almoravides, Sa'd (unidentified ruler), billon fractional Dirham, no mint or date, citing the Almoravid ruler 'Ali b. Yusuf and his heir Tashfin, rev: amir al-muslimin 'ali / wali 'ahd / tashfin / sa'd, 0.81g (Vives -; Hazard -; A -). Very fine and extremely rare, believed to be an unpublished type.

Sa'd may be the father of the later king of Murcia, Muhammad b. Sa'd.