KHWARIZMSHAH: Muhammad, 1200-1220, AE broad qarari dirham (3.48g) (Tirmidh), DM, A-A1724, bow & arrow in obverse center, VF, R. This type is either undated or dated AH617, which was the year of Mongol conquest in the region, and the bow & arrow was the Mongol symbol at the time.
Estimate: 100-125 USD