GHAZNAVID: Mas'ud III, 1099-1115, AV dinar (6.09g), Ghazna, AH(49)2, A-1647, first series, titles sanâ al-milla malik al-islam zahir al-imam,, legible mint & date, the word for "2" spelled ithnatun instead of the normal ithnatayn, heavy, VF to EF, R. 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