Islamic Portugal, Musa b. Muhammad (AH 631-660 / 1234-1262 AD), with title Amir of the West, square Silver Qirat or Dirham, no mint, no date, Allah Rabbuna, Muhammad rasuluna, al-´Abbas, imamuna, rev. Amir al-Gharb, al-Musta´in bi-Allah, Musa ibn Muhammad, ibn Nasr ibn Mahfuz, 1.55g (Album I 410; Vives 2123). Extremely fine.