LU'LU'IDS: Badr al-Din Lu'lu', 1233-1258, AV dinar (5.80g), al-Mawsil, AH657, A-1871M, Heidemann-4a, citing the Great Mongol Möngke, without caliph's name, date somewhat carelessly engraved, confounded with the previous word sana, month of Muharram, same obverse die as BMC-412/1912, lovely strike, EF. With the Persian text "khodavand-i 'alam padshah-e ruy-i zamin", "master of the world, emperor over the face of the earth", likely a title of Chinese origin.
Estimate: 400-500 USD