Delhi Sultanate, Tughluq Dynasty, Firuz Shah Tughluq (AH 752-790/1351-1388 AD), Gold Tanka, with the name of the Caliph Abu al-Abbas Ahmad al-Hakim II, Obv: Arabic legend "Wathiq bi-tayid Yazdani Firuz Shah Sultani" (trusting in divine support), Rev: Arabic legend "darabat Hadhahi al-Sikka fi zaman al-imam Abu al-Abbas Ahmad khulidat khilafatahu", 10.96g, 19.33mm, (G&G # D460), almost uncirculated, Very Rare.