ASSASSINS AT ALAMUT: Muhammad III, 1221-1254, AR fractional dirham (0.86g), NM, AH(61)8, A-1921H, style & calligraphy of the full dirham (A-1921), thus the date is likely AH618, VF, RRR. Unpublished and perhaps unique, early style, totally different from the later fractions (A-1921A though 1921E), all of which are calligraphically similar, likely all struck during the late AH640s and 650s.
Estimate: 400-500 USD