INDIA, Islamic Sultanates. Delhi. Firuz Shah Tughluq. AH 752-790 (AD 1351-1388). AV Tanka (23mm, 10.99 g, 9h). Citing the Cairo 'Abbasid caliph abū'l Fath al-Mu'tasid. Unnamed mint. Undated issue. al-sultan legend / Legend citing caliph with invocation khulidat khilāfatuhu. CIS 463; Rajgor Type 1282. EF.