Watch List notes:

Seljuq of Rum, Kayka'us, Qilij Arslan and Kayqubadh (647-657h dinar, mint not visible, dated 648h, obv., la ilaha illa Allah | Muhammad rasul Allah | al-Imam al-Mustansir | billah bin [sic] amir al-mu'minin | möngke khan (?in Uyghur), rev., al-Sultan al-'azim | 'ala al-dunya wa'l-din Kaykawus | wa rukn al-dunya wa'l-din Fath Arslan | wa 'ala al-dunya wa'l-din Kayqubadh | [sanat] thaman wa arba'in [..., 4.32g, slightly clipped, otherwise good very fine and excessively rare, apparently unpublished. The epigraphy on this coin is slightly coarse, and the reading of the Uyghur legend as the name of Mongke Khan is plausible but not certain. (£3000-5000)