ILKHAN: temp. Hulagu, 1256-1265, AR 1/2 dirham (1.37g), MM, AH664, A-2123var, clearly anonymous, just qa'an / al-a'zam in obverse center, with mint & date around, la ilah illa Allah in center with reset of kalima around on the reverse, about 35% flat strike, probably unpublished, F-VF, RRR. Probably struck during the short period between the last coins at Baghdad in the name of Hulagu in AH664 and the first of Abaqa in 665, but actual mint uncertain.
Estimate: 100-130 USD