ARTUQIDS OF AMID & KAYFA: Nasir al-Din Mahmud, 1201-1222, AE dirham (9.32g), al-Hisn, AH610, A-1823.1, SS-15, double-headed eagle with wings spread, strong bold strike, lovely VF, S. This is the earliest Islamic coin with the Hijri date in numerals (slightly earlier Hijri dates in numerals occur only on the Christian coins of Sicily).
Estimate: 180-240 USD