Almoravids
'Alî ibn Yûsuf, 500-537 H./1106-1143 AD, alone Billon dirham 509 H., Madînat Mursîya (Murcia). Vives cf. 1836 (508 H.); Rodriguez Lorente, Numismatica de la Mur cf. no. 32 knowing only of dirhams of 508 and 511 H.. 3.70 g.; Extremely rare Very fine
Ex Slg. Horn, Dresden.