GHAZNAVID: Arslanshah, 1116-1117, AV dinar (4.78g) (Ghazna), AH(509), A-V1650, without circle of annulets around the field on both sides, very weak strike, VF, RRR. Distinguished as the 509 type because the title Sultan al-Dawla is entirely below the obverse, whereas it is divided between above & below the field on all dated 510.
Estimate: 200-260 USD