Watch List notes:

SELJUQ OF RUM: Kayka'us II Ibn Kaykhusraw (1245-1249), silver dirham (3.00g), Siwas (Sivas) mint, AH 644. Sultan cited as "dhillullah fil-'alam" ("Allah's shadow in the world"). Citing last Abbasid caliph of Baghdad Al-Musta'sim Billah. A-1223.1. Attractive, about uncirculated.

Estimate: 40-60