ItemNo: 3172
Acc_no: AR2098
Ruler: Abu Bakr II (1237-1239 AD)
Dynasty: Ayyubids (main line in Cairo)
Denomination: AR half dirham
Ruler: al-Mustansir billah
Mint: Dimashq
Date: off flan (637 AH?)
Weight (g): 1.49
Diameter (mm): 15
Die Axis: 12:00
References: type close to Balog 1980, no. 510