KHWARIZMSHAH: Muhammad, 1200-1220, AV dinar (3.42g), MM, DM, A-1712, from the date formula, only bi-tarikh ghurrat judamat al-awal "at the time of first day of the month of Jumada I" with the actual year off flan; probably without mint name, style of Herat mint, about 30% flat, VF.
Estimate: 180-220 USD