KHWARIZMSHAH: Mangubarni, 1220-1231, AR ½ hexagram dirham (1.58g), NM, AH(61)8, A-1745C, heptagonal shape, cut down from the full dirham (type A-1745B), but still clearly revealing the crucial last digit of the date, thaman, VF, RRR.
Estimate: 150-200 USD