ISLAMIC. The Coinage of Yaman. Rasulids. al-Muzzafar Shams ad-dîn Yûsuf ibn 'Umar (647-694 AH). Dirham 660 (AH). San'â. Unusual type with the name of the caliph al-Musta'sim in the obv. centre above the king's name which is continued in the margin between 6 and 12 o'clock to the right side and mint/date-formula to the left side.

Ex. Dr. Busso Peus Nachfolger, Auction 421/1530 (2017).

Condition: Extremely fine.

Weight: 1,91g.
Diameter: 25mm.