UMAYYAD OF SPAIN: Sulayman, Al-Musta'in (1009-1010), silver heavy dirham (4.44g), Al-Andalus mint, AH 400. Citing mint official Ibn Maslama in lower obverse field. A-356.3 (S). Very fine. Extremely rare, or likely unique, in this weight.
After researching auction records, we believe that this dirham is the only example to appear in the market to surpass the weight of 4 grams.
Estimate: 60 - 80