Watch List notes:

SELJUQ OF RUM: Qilij Arslan IV, 1257-1266, AR ½ dirham (1.39g), [Erzurum], [AH65x], A-1230A, struck from the same dies as Izmirlier-685, which has the mint name "Arz" for Erzurum, and part of the date, 65x, Fine, RRR.

Estimate: 200-250 USD