Watch List notes:

ISLAMIC, Mongols. Great Khans. temp. Chingiz (Genghis). AH 602-624 / AD 1206-1227. Æ Fals (19mm, 2.92 g, 11h). Balkh mint. qa-an/ al-a'zam/sikka Balkh in Arabic / Kalima. Nyamaa –; cf. Album A1977 (for type); ICV –; Album 18, lot 550. VF, earthen green and brown patina. Extremely rare.