Watch List notes:

SELJUQ OF WESTERN IRAN: Mahmud II, 1118-1131, AV dinar (3.14g), Tustar, AH524, A-1688, very rare mint for the Seljuqs, citing the Great Seljuq Sanjar as overlord, nice strike for this ruler, VF, RRR. Only 3 Seljuq dinars of Mahmud struck at Tustar are listed on CoinArchives, two dated 512, one dated 519, all without citing Sanjar.

Estimate: 300-400 USD