India - Sultans of Delhi - Firuz Shah Zafar (AH791 / AD1389) - AV Tanka, mint name and date off flan, citing the caliph Abu 'Abd Allah al-Mutawakkil (G&G D545) - Obv. and Rev. Arabian legends - Gold 10.97g. - good VF, very rare, presumably a son of Firuz Shah, Firuz Shah Zafar is not recorded in the written histories and is known only from his coinage