ISLAMIC, Seljuks. Rum. Ghiyath al-Din Kay Khusraw I bin Qilich Arslan. Second reign, AH 601-608 / AD 1204-1211. AR Half Dirhem (18mm, 1.50 g, 6h). Madinat Qaysariya mint. Dated AH 604 (AD 1207/8). Broome – (but cf. 73 and 77 for AH 602 and 603); Izmirlier – (but cf. 118 AH 603); Album 1206A; ICV –. Toned, minor deposits. VF. Extremely rare.