Watch List notes:

KHWARIZMSHAH: Mangubarni, 1220-1231, AR hexagram dirham (3.47g), A-1745B, the ruler is cited merely as al-sultan al-mu'azzam, probably struck in or near Ghazna; date off flan, but always dated AH618 (usually off flan), VF, RRR.

Estimate: 200-300 USD