GHAZNAVID: Mas'ud III, 1099-1115, AV dinar (6.22g), Ghazna, AH4(9)2, A-1647, first series, titles sanâ al-milla malik al-islam zahir al-imam,, legible mint & date, unusually heavy, VF to EF. The 492 series average weight is 4.5 to 5.0g, the 505 series 2.0 to 2.5g, or about half the weight of 492.
Estimate: 200-240 USD